38812915 has 12 divisors (see below), whose sum is σ = 49158144. Its totient is φ = 29414736.

The previous prime is 38812913. The next prime is 38812967. The reversal of 38812915 is 51921883.

38812915 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 38812915 - 2¹ = 38812913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38812913) 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 11 ways as a sum of consecutive naturals, for example, 8947 + ... + 12556.

It is an arithmetic number, because the mean of its divisors is an integer number (4096512).

Almost surely, 2^38812915 is an apocalyptic number.

38812915 is a deficient number, since it is larger than the sum of its proper divisors (10345229).

38812915 is a wasteful number, since it uses less digits than its factorization.

38812915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21546 (or 21527 counting only the distinct ones).

The product of its digits is 17280, while the sum is 37.

The square root of 38812915 is about 6230.0012038522. The cubic root of 38812915 is about 338.5780143927.

The spelling of 38812915 in words is "thirty-eight million, eight hundred twelve thousand, nine hundred fifteen".