3165920 has 48 divisors (see below), whose sum is σ = 7656768. Its totient is φ = 1236480.

The previous prime is 3165919. The next prime is 3165941. The reversal of 3165920 is 295613.

It is a self number, because there is not a number n which added to its sum of digits gives 3165920.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7310 + ... + 7730.

It is an arithmetic number, because the mean of its divisors is an integer number (159516).

Almost surely, 2^3165920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3165920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3828384).

3165920 is an abundant number, since it is smaller than the sum of its proper divisors (4490848).

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

3165920 is a wasteful number, since it uses less digits than its factorization.

3165920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483 (or 475 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 3165920 is about 1779.3032344151. The cubic root of 3165920 is about 146.8362592859.

The spelling of 3165920 in words is "three million, one hundred sixty-five thousand, nine hundred twenty".