3565872 has 30 divisors (see below), whose sum is σ = 9979892. Its totient is φ = 1188576.

The previous prime is 3565871. The next prime is 3565879. The reversal of 3565872 is 2785653.

3565872 is nontrivially palindromic in base 11.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (3565871) 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, 12238 + ... + 12525.

Almost surely, 2^3565872 is an apocalyptic number.

It is an amenable number.

3565872 is an abundant number, since it is smaller than the sum of its proper divisors (6414020).

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

3565872 is a wasteful number, since it uses less digits than its factorization.

3565872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24777 (or 24768 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 3565872 is about 1888.3516621647. The cubic root of 3565872 is about 152.7760403941.

The spelling of 3565872 in words is "three million, five hundred sixty-five thousand, eight hundred seventy-two".