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3889446 = 2311311901
BaseRepresentation
bin1110110101100100100110
321022121022120
432311210212
51443430241
6215210410
745026331
oct16654446
97277276
103889446
112217220
121376a06
13a62462
14733618
1551c666
hex3b5926

3889446 has 32 divisors (see below), whose sum is σ = 8764416. Its totient is φ = 1140000.

The previous prime is 3889441. The next prime is 3889453. The reversal of 3889446 is 6449883.

It is a junction number, because it is equal to n+sod(n) for n = 3889398 and 3889407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3889441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1096 + ... + 2996.

It is an arithmetic number, because the mean of its divisors is an integer number (273888).

Almost surely, 23889446 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3889446, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4382208).

3889446 is an abundant number, since it is smaller than the sum of its proper divisors (4874970).

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

3889446 is a wasteful number, since it uses less digits than its factorization.

3889446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1948.

The product of its digits is 165888, while the sum is 42.

The square root of 3889446 is about 1972.1678427558. The cubic root of 3889446 is about 157.2639750227.

The spelling of 3889446 in words is "three million, eight hundred eighty-nine thousand, four hundred forty-six".

Divisors: 1 2 3 6 11 22 31 33 62 66 93 186 341 682 1023 1901 2046 3802 5703 11406 20911 41822 58931 62733 117862 125466 176793 353586 648241 1296482 1944723 3889446