5638572 has 36 divisors (see below), whose sum is σ = 14783496. Its totient is φ = 1879200.

The previous prime is 5638537. The next prime is 5638601. The reversal of 5638572 is 2758365.

5638572 is a `hidden beast` number, since 56 + 38 + 572 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1929 + ... + 3872.

Almost surely, 2^5638572 is an apocalyptic number.

It is an amenable number.

5638572 is an abundant number, since it is smaller than the sum of its proper divisors (9144924).

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

5638572 is a wasteful number, since it uses less digits than its factorization.

5638572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5820 (or 5806 counting only the distinct ones).

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

The square root of 5638572 is about 2374.5677501390. The cubic root of 5638572 is about 177.9875848766.

The spelling of 5638572 in words is "five million, six hundred thirty-eight thousand, five hundred seventy-two".