3564872 has 24 divisors (see below), whose sum is σ = 6871590. Its totient is φ = 1733760.

The previous prime is 3564871. The next prime is 3564893. The reversal of 3564872 is 2784653.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2669956 + 894916 = 1634^2 + 946^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3564871) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14672 + ... + 14912.

Almost surely, 2^3564872 is an apocalyptic number.

It is an amenable number.

3564872 is a deficient number, since it is larger than the sum of its proper divisors (3306718).

3564872 is a wasteful number, since it uses less digits than its factorization.

3564872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333 (or 286 counting only the distinct ones).

The product of its digits is 40320, while the sum is 35.

The square root of 3564872 is about 1888.0868624086. The cubic root of 3564872 is about 152.7617577423.

The spelling of 3564872 in words is "three million, five hundred sixty-four thousand, eight hundred seventy-two".