3668872 has 32 divisors (see below), whose sum is σ = 7435800. Its totient is φ = 1690624.

The previous prime is 3668869. The next prime is 3668879. The reversal of 3668872 is 2788663.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3663396 + 5476 = 1914^2 + 74^2 .

It is not an unprimeable number, because it can be changed into a prime (3668879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6954 + ... + 7462.

Almost surely, 2^3668872 is an apocalyptic number.

It is an amenable number.

3668872 is an abundant number, since it is smaller than the sum of its proper divisors (3766928).

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

3668872 is a wasteful number, since it uses less digits than its factorization.

3668872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585 (or 581 counting only the distinct ones).

The product of its digits is 96768, while the sum is 40.

The square root of 3668872 is about 1915.4299778379. The cubic root of 3668872 is about 154.2330759749.

The spelling of 3668872 in words is "three million, six hundred sixty-eight thousand, eight hundred seventy-two".