38881872 has 60 divisors (see below), whose sum is σ = 110376864. Its totient is φ = 12774720.

The previous prime is 38881859. The next prime is 38881883. The reversal of 38881872 is 27818883.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8323 + ... + 12125.

Almost surely, 2^38881872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38881872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55188432).

38881872 is an abundant number, since it is smaller than the sum of its proper divisors (71494992).

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

38881872 is a wasteful number, since it uses less digits than its factorization.

38881872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3888 (or 3879 counting only the distinct ones).

The product of its digits is 172032, while the sum is 45.

The square root of 38881872 is about 6235.5330165111. The cubic root of 38881872 is about 338.7784074070.

The spelling of 38881872 in words is "thirty-eight million, eight hundred eighty-one thousand, eight hundred seventy-two".