38874931 has 4 divisors (see below), whose sum is σ = 40921000. Its totient is φ = 36828864.

The previous prime is 38874911. The next prime is 38874949. The reversal of 38874931 is 13947883.

It is a happy number.

38874931 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38874931 - 2¹³ = 38866739 is a prime.

It is a super-2 number, since 2×38874931² = 3022520520509522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38874911) 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 3 ways as a sum of consecutive naturals, for example, 1023006 + ... + 1023043.

It is an arithmetic number, because the mean of its divisors is an integer number (10230250).

Almost surely, 2^38874931 is an apocalyptic number.

38874931 is a deficient number, since it is larger than the sum of its proper divisors (2046069).

38874931 is a wasteful number, since it uses less digits than its factorization.

38874931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2046068.

The product of its digits is 145152, while the sum is 43.

The square root of 38874931 is about 6234.9764233716. The cubic root of 38874931 is about 338.7582471905.

The spelling of 38874931 in words is "thirty-eight million, eight hundred seventy-four thousand, nine hundred thirty-one".