38937472 has 32 divisors (see below), whose sum is σ = 88654320. Its totient is φ = 16687104.

The previous prime is 38937467. The next prime is 38937487. The reversal of 38937472 is 27473983.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×38937472² = 3032253451501568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20833 + ... + 22624.

Almost surely, 2^38937472 is an apocalyptic number.

38937472 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

38937472 is an abundant number, since it is smaller than the sum of its proper divisors (49716848).

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

38937472 is an equidigital number, since it uses as much as digits as its factorization.

38937472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43478 (or 43466 counting only the distinct ones).

The product of its digits is 254016, while the sum is 43.

The square root of 38937472 is about 6239.9897435813. The cubic root of 38937472 is about 338.9398117432.

The spelling of 38937472 in words is "thirty-eight million, nine hundred thirty-seven thousand, four hundred seventy-two".