38938911 has 16 divisors (see below), whose sum is σ = 58171008. Its totient is φ = 22960800.

The previous prime is 38938903. The next prime is 38938943. The reversal of 38938911 is 11983983.

It is a happy number.

It is not a de Polignac number, because 38938911 - 2³ = 38938903 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38938901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14725 + ... + 17166.

It is an arithmetic number, because the mean of its divisors is an integer number (3635688).

Almost surely, 2^38938911 is an apocalyptic number.

38938911 is a deficient number, since it is larger than the sum of its proper divisors (19232097).

38938911 is a wasteful number, since it uses less digits than its factorization.

38938911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31942.

The product of its digits is 46656, while the sum is 42.

The square root of 38938911 is about 6240.1050471927. The cubic root of 38938911 is about 338.9439870560.

The spelling of 38938911 in words is "thirty-eight million, nine hundred thirty-eight thousand, nine hundred eleven".