113684439 has 16 divisors (see below), whose sum is σ = 165763584. Its totient is φ = 68731200.

The previous prime is 113684411. The next prime is 113684447. The reversal of 113684439 is 934486311.

It is not a de Polignac number, because 113684439 - 2⁵ = 113684407 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 113684397 and 113684406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113684449) 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, 10227 + ... + 18219.

It is an arithmetic number, because the mean of its divisors is an integer number (10360224).

Almost surely, 2^113684439 is an apocalyptic number.

113684439 is a deficient number, since it is larger than the sum of its proper divisors (52079145).

113684439 is a wasteful number, since it uses less digits than its factorization.

113684439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8438.

The product of its digits is 62208, while the sum is 39.

The square root of 113684439 is about 10662.2905137686. The cubic root of 113684439 is about 484.4329490655.

The spelling of 113684439 in words is "one hundred thirteen million, six hundred eighty-four thousand, four hundred thirty-nine".