38731934 has 4 divisors (see below), whose sum is σ = 58097904. Its totient is φ = 19365966.

The previous prime is 38731919. The next prime is 38731943. The reversal of 38731934 is 43913783.

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

It is a super-2 number, since 2×38731934² = 3000325422760712, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9682982 + ... + 9682985.

It is an arithmetic number, because the mean of its divisors is an integer number (14524476).

Almost surely, 2^38731934 is an apocalyptic number.

38731934 is a deficient number, since it is larger than the sum of its proper divisors (19365970).

38731934 is a wasteful number, since it uses less digits than its factorization.

38731934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19365969.

The product of its digits is 54432, while the sum is 38.

The square root of 38731934 is about 6223.4985337831. The cubic root of 38731934 is about 338.3423756687.

The spelling of 38731934 in words is "thirty-eight million, seven hundred thirty-one thousand, nine hundred thirty-four".