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889434 = 233713181
BaseRepresentation
bin11011001001001011010
31200012002000
43121021122
5211430214
631021430
710363050
oct3311132
91605060
10889434
11558277
1236a876
13251ac0
141921d0
15128809
hexd925a

889434 has 64 divisors (see below), whose sum is σ = 2446080. Its totient is φ = 233280.

The previous prime is 889429. The next prime is 889439. The reversal of 889434 is 434988.

889434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (889429) and next prime (889439).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (889439) by changing a digit.

889434 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4824 + ... + 5004.

It is an arithmetic number, because the mean of its divisors is an integer number (38220).

2889434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 889434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1223040).

889434 is an abundant number, since it is smaller than the sum of its proper divisors (1556646).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

889434 is a wasteful number, since it uses less digits than its factorization.

889434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212 (or 206 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 889434 is about 943.0980860971. The cubic root of 889434 is about 96.1696219941.

The spelling of 889434 in words is "eight hundred eighty-nine thousand, four hundred thirty-four".

Divisors: 1 2 3 6 7 9 13 14 18 21 26 27 39 42 54 63 78 91 117 126 181 182 189 234 273 351 362 378 543 546 702 819 1086 1267 1629 1638 2353 2457 2534 3258 3801 4706 4887 4914 7059 7602 9774 11403 14118 16471 21177 22806 32942 34209 42354 49413 63531 68418 98826 127062 148239 296478 444717 889434