38831572 has 24 divisors (see below), whose sum is σ = 73382400. Its totient is φ = 17873376.

The previous prime is 38831557. The next prime is 38831579. The reversal of 38831572 is 27513883.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38831579) 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, 24129 + ... + 25687.

It is an arithmetic number, because the mean of its divisors is an integer number (3057600).

Almost surely, 2^38831572 is an apocalyptic number.

It is an amenable number.

38831572 is a deficient number, since it is larger than the sum of its proper divisors (34550828).

38831572 is a wasteful number, since it uses less digits than its factorization.

38831572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2055 (or 2053 counting only the distinct ones).

The product of its digits is 40320, while the sum is 37.

The square root of 38831572 is about 6231.4983751904. The cubic root of 38831572 is about 338.6322561155.

The spelling of 38831572 in words is "thirty-eight million, eight hundred thirty-one thousand, five hundred seventy-two".