83402931 has 16 divisors (see below), whose sum is σ = 113443200. Its totient is φ = 54488448.

The previous prime is 83402923. The next prime is 83402959. The reversal of 83402931 is 13920438.

It is not a de Polignac number, because 83402931 - 2³ = 83402923 is a prime.

It is a super-2 number, since 2×83402931² = 13912097798781522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (83402971) 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 15 ways as a sum of consecutive naturals, for example, 82155 + ... + 83163.

It is an arithmetic number, because the mean of its divisors is an integer number (7090200).

Almost surely, 2^83402931 is an apocalyptic number.

83402931 is a deficient number, since it is larger than the sum of its proper divisors (30040269).

83402931 is a wasteful number, since it uses less digits than its factorization.

83402931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1538.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 83402931 is about 9132.5205173599. The cubic root of 83402931 is about 436.9117968560.

The spelling of 83402931 in words is "eighty-three million, four hundred two thousand, nine hundred thirty-one".