3165216 has 24 divisors (see below), whose sum is σ = 8308944. Its totient is φ = 1055040.

The previous prime is 3165209. The next prime is 3165223. The reversal of 3165216 is 6125613.

It is an interprime number because it is at equal distance from previous prime (3165209) and next prime (3165223).

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16390 + ... + 16581.

It is an arithmetic number, because the mean of its divisors is an integer number (346206).

Almost surely, 2^3165216 is an apocalyptic number.

It is an amenable number.

3165216 is an abundant number, since it is smaller than the sum of its proper divisors (5143728).

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

3165216 is a wasteful number, since it uses less digits than its factorization.

3165216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32984 (or 32976 counting only the distinct ones).

The product of its digits is 1080, while the sum is 24.

The square root of 3165216 is about 1779.1053931682. The cubic root of 3165216 is about 146.8253745731.

The spelling of 3165216 in words is "three million, one hundred sixty-five thousand, two hundred sixteen".