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389334 = 231117347
BaseRepresentation
bin1011111000011010110
3201210001210
41133003112
544424314
612202250
73211041
oct1370326
9653053
10389334
11246570
12169386
1310829a
14a1c58
157a559
hex5f0d6

389334 has 32 divisors (see below), whose sum is σ = 902016. Its totient is φ = 110720.

The previous prime is 389303. The next prime is 389357. The reversal of 389334 is 433983.

It is a happy number.

It is a d-powerful number, because it can be written as 37 + 85 + 311 + 92 + 311 + 4 .

It is a congruent number.

It is an unprimeable number.

389334 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 949 + ... + 1295.

It is an arithmetic number, because the mean of its divisors is an integer number (28188).

2389334 is an apocalyptic number.

389334 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 389334, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (451008).

389334 is an abundant number, since it is smaller than the sum of its proper divisors (512682).

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

389334 is a wasteful number, since it uses less digits than its factorization.

389334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380.

The product of its digits is 7776, while the sum is 30.

The square root of 389334 is about 623.9663452463. The cubic root of 389334 is about 73.0198232272.

The spelling of 389334 in words is "three hundred eighty-nine thousand, three hundred thirty-four".

Divisors: 1 2 3 6 11 17 22 33 34 51 66 102 187 347 374 561 694 1041 1122 2082 3817 5899 7634 11451 11798 17697 22902 35394 64889 129778 194667 389334