38811572 has 12 divisors (see below), whose sum is σ = 68003040. Its totient is φ = 19382136.

The previous prime is 38811571. The next prime is 38811583. The reversal of 38811572 is 27511883.

It is a super-2 number, since 2×38811572² = 3012676242222368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38811571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1922 + ... + 9017.

It is an arithmetic number, because the mean of its divisors is an integer number (5666920).

Almost surely, 2^38811572 is an apocalyptic number.

It is an amenable number.

38811572 is a deficient number, since it is larger than the sum of its proper divisors (29191468).

38811572 is a wasteful number, since it uses less digits than its factorization.

38811572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11830 (or 11828 counting only the distinct ones).

The product of its digits is 13440, while the sum is 35.

The square root of 38811572 is about 6229.8934180289. The cubic root of 38811572 is about 338.5741092019.

The spelling of 38811572 in words is "thirty-eight million, eight hundred eleven thousand, five hundred seventy-two".