83804931 has 12 divisors (see below), whose sum is σ = 138344752. Its totient is φ = 47888496.

The previous prime is 83804927. The next prime is 83804947. The reversal of 83804931 is 13940838.

It is not a de Polignac number, because 83804931 - 2² = 83804927 is a prime.

It is a super-2 number, since 2×83804931² = 14046532919829522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (83804531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 665056 + ... + 665181.

Almost surely, 2^83804931 is an apocalyptic number.

83804931 is a deficient number, since it is larger than the sum of its proper divisors (54539821).

83804931 is a wasteful number, since it uses less digits than its factorization.

83804931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1330250 (or 1330247 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 83804931 is about 9154.5033180397. The cubic root of 83804931 is about 437.6126399493.

The spelling of 83804931 in words is "eighty-three million, eight hundred four thousand, nine hundred thirty-one".