3165500 has 48 divisors (see below), whose sum is σ = 7460544. Its totient is φ = 1166400.

The previous prime is 3165479. The next prime is 3165511. The reversal of 3165500 is 55613.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6257 + ... + 6743.

It is an arithmetic number, because the mean of its divisors is an integer number (155428).

Almost surely, 2^3165500 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 3165500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3730272).

3165500 is an abundant number, since it is smaller than the sum of its proper divisors (4295044).

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

3165500 is a wasteful number, since it uses less digits than its factorization.

3165500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519 (or 507 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 3165500 is about 1779.1852067730. The cubic root of 3165500 is about 146.8297657594.

The spelling of 3165500 in words is "three million, one hundred sixty-five thousand, five hundred".