3699972 has 24 divisors (see below), whose sum is σ = 9592800. Its totient is φ = 1233288.

The previous prime is 3699961. The next prime is 3700001. The reversal of 3699972 is 2799963.

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, 17022 + ... + 17237.

It is an arithmetic number, because the mean of its divisors is an integer number (399700).

Almost surely, 2^3699972 is an apocalyptic number.

It is an amenable number.

3699972 is an abundant number, since it is smaller than the sum of its proper divisors (5892828).

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

3699972 is a wasteful number, since it uses less digits than its factorization.

3699972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34272 (or 34264 counting only the distinct ones).

The product of its digits is 183708, while the sum is 45.

The square root of 3699972 is about 1923.5311278999. The cubic root of 3699972 is about 154.6676472226.

Subtracting from 3699972 its reverse (2799963), we obtain a palindrome (900009).

The spelling of 3699972 in words is "three million, six hundred ninety-nine thousand, nine hundred seventy-two".