38731448 has 32 divisors (see below), whose sum is σ = 86607360. Its totient is φ = 15876960.

The previous prime is 38731439. The next prime is 38731453. The reversal of 38731448 is 84413783.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13748 + ... + 16323.

It is an arithmetic number, because the mean of its divisors is an integer number (2706480).

Almost surely, 2^38731448 is an apocalyptic number.

It is an amenable number.

38731448 is an abundant number, since it is smaller than the sum of its proper divisors (47875912).

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

38731448 is a wasteful number, since it uses less digits than its factorization.

38731448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30107 (or 30103 counting only the distinct ones).

The product of its digits is 64512, while the sum is 38.

The square root of 38731448 is about 6223.4594880982. The cubic root of 38731448 is about 338.3409605136.

The spelling of 38731448 in words is "thirty-eight million, seven hundred thirty-one thousand, four hundred forty-eight".