38083931 has 4 divisors (see below), whose sum is σ = 39397200. Its totient is φ = 36770664.

The previous prime is 38083921. The next prime is 38083937. The reversal of 38083931 is 13938083.

38083931 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 38083931 - 2²² = 33889627 is a prime.

It is a super-2 number, since 2×38083931² = 2900771600825522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38083891 and 38083900.

It is not an unprimeable number, because it can be changed into a prime (38083937) 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, 656591 + ... + 656648.

It is an arithmetic number, because the mean of its divisors is an integer number (9849300).

Almost surely, 2^38083931 is an apocalyptic number.

38083931 is a deficient number, since it is larger than the sum of its proper divisors (1313269).

38083931 is a wasteful number, since it uses less digits than its factorization.

38083931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1313268.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 38083931 is about 6171.2179511017. The cubic root of 38083931 is about 336.4448796848. Note that the first 3 decimals are identical.

The spelling of 38083931 in words is "thirty-eight million, eighty-three thousand, nine hundred thirty-one".