38628934 has 16 divisors (see below), whose sum is σ = 58685760. Its totient is φ = 19068840.

The previous prime is 38628901. The next prime is 38628949. The reversal of 38628934 is 43982683.

38628934 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 78429 + ... + 78919.

It is an arithmetic number, because the mean of its divisors is an integer number (3667860).

Almost surely, 2^38628934 is an apocalyptic number.

38628934 is a deficient number, since it is larger than the sum of its proper divisors (20056826).

38628934 is a wasteful number, since it uses less digits than its factorization.

38628934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915.

The product of its digits is 248832, while the sum is 43.

The square root of 38628934 is about 6215.2179366455. The cubic root of 38628934 is about 338.0421909682.

The spelling of 38628934 in words is "thirty-eight million, six hundred twenty-eight thousand, nine hundred thirty-four".