38992038 has 32 divisors (see below), whose sum is σ = 82771200. Its totient is φ = 12218976.

The previous prime is 38992021. The next prime is 38992087. The reversal of 38992038 is 83029983.

38992038 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5748 + ... + 10536.

It is an arithmetic number, because the mean of its divisors is an integer number (2586600).

Almost surely, 2^38992038 is an apocalyptic number.

38992038 is an abundant number, since it is smaller than the sum of its proper divisors (43779162).

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

38992038 is a wasteful number, since it uses less digits than its factorization.

38992038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4876.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 38992038 is about 6244.3604956793. The cubic root of 38992038 is about 339.0980651021.

The spelling of 38992038 in words is "thirty-eight million, nine hundred ninety-two thousand, thirty-eight".