38875870 has 32 divisors (see below), whose sum is σ = 78122880. Its totient is φ = 13806240.

The previous prime is 38875861. The next prime is 38875873. The reversal of 38875870 is 7857883.

38875870 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×38875870² = 3022666536513800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38875870.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38875873) by changing a digit.

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, 621 + ... + 8839.

It is an arithmetic number, because the mean of its divisors is an integer number (2441340).

Almost surely, 2^38875870 is an apocalyptic number.

38875870 is an abundant number, since it is smaller than the sum of its proper divisors (39247010).

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

38875870 is a wasteful number, since it uses less digits than its factorization.

38875870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8280.

The product of its (nonzero) digits is 376320, while the sum is 46.

The square root of 38875870 is about 6235.0517239234. The cubic root of 38875870 is about 338.7609746675.

The spelling of 38875870 in words is "thirty-eight million, eight hundred seventy-five thousand, eight hundred seventy".