38920855 has 16 divisors (see below), whose sum is σ = 48465504. Its totient is φ = 29980800.

The previous prime is 38920823. The next prime is 38920883. The reversal of 38920855 is 55802983.

38920855 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38920855 - 2⁵ = 38920823 is a prime.

It is a Duffinian 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, 17644 + ... + 19726.

It is an arithmetic number, because the mean of its divisors is an integer number (3029094).

Almost surely, 2^38920855 is an apocalyptic number.

38920855 is a deficient number, since it is larger than the sum of its proper divisors (9544649).

38920855 is a wasteful number, since it uses less digits than its factorization.

38920855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2226.

The product of its (nonzero) digits is 86400, while the sum is 40.

The square root of 38920855 is about 6238.6581089205. The cubic root of 38920855 is about 338.8915894357.

The spelling of 38920855 in words is "thirty-eight million, nine hundred twenty thousand, eight hundred fifty-five".