38838072 has 64 divisors (see below), whose sum is σ = 119508480. Its totient is φ = 10242432.

The previous prime is 38838067. The next prime is 38838083. The reversal of 38838072 is 27083883.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 38838072.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6708 + ... + 11075.

It is an arithmetic number, because the mean of its divisors is an integer number (1867320).

Almost surely, 2^38838072 is an apocalyptic number.

It is an amenable number.

38838072 is an abundant number, since it is smaller than the sum of its proper divisors (80670408).

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

38838072 is a wasteful number, since it uses less digits than its factorization.

38838072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17812 (or 17808 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 38838072 is about 6232.0198972725. The cubic root of 38838072 is about 338.6511495636.

The spelling of 38838072 in words is "thirty-eight million, eight hundred thirty-eight thousand, seventy-two".