38732028 has 12 divisors (see below), whose sum is σ = 90374760. Its totient is φ = 12910672.

The previous prime is 38731997. The next prime is 38732039. The reversal of 38732028 is 82023783.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 38732028.

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, 1613823 + ... + 1613846.

It is an arithmetic number, because the mean of its divisors is an integer number (7531230).

Almost surely, 2^38732028 is an apocalyptic number.

It is an amenable number.

38732028 is an abundant number, since it is smaller than the sum of its proper divisors (51642732).

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

38732028 is a wasteful number, since it uses less digits than its factorization.

38732028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3227676 (or 3227674 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 38732028 is about 6223.5060858008. The cubic root of 38732028 is about 338.3426493804.

The spelling of 38732028 in words is "thirty-eight million, seven hundred thirty-two thousand, twenty-eight".