3215972 has 12 divisors (see below), whose sum is σ = 5723760. Its totient is φ = 1580616.

The previous prime is 3215963. The next prime is 3215977. The reversal of 3215972 is 2795123.

3215972 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×3215972³ = 99783338761380030144, which contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (3215977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6578 + ... + 7049.

It is an arithmetic number, because the mean of its divisors is an integer number (476980).

Almost surely, 2^3215972 is an apocalyptic number.

It is an amenable number.

3215972 is a deficient number, since it is larger than the sum of its proper divisors (2507788).

3215972 is a wasteful number, since it uses less digits than its factorization.

3215972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13690 (or 13688 counting only the distinct ones).

The product of its digits is 3780, while the sum is 29.

The square root of 3215972 is about 1793.3131349544. The cubic root of 3215972 is about 147.6060254638.

The spelling of 3215972 in words is "three million, two hundred fifteen thousand, nine hundred seventy-two".