113838479 has 4 divisors (see below), whose sum is σ = 117510720. Its totient is φ = 110166240.

The previous prime is 113838421. The next prime is 113838499. The reversal of 113838479 is 974838311.

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 113838479 - 2¹⁶ = 113772943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113838499) 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, 1836074 + ... + 1836135.

It is an arithmetic number, because the mean of its divisors is an integer number (29377680).

Almost surely, 2^113838479 is an apocalyptic number.

113838479 is a deficient number, since it is larger than the sum of its proper divisors (3672241).

113838479 is an equidigital number, since it uses as much as digits as its factorization.

113838479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3672240.

The product of its digits is 145152, while the sum is 44.

The square root of 113838479 is about 10669.5116570535. The cubic root of 113838479 is about 484.6516491025.

The spelling of 113838479 in words is "one hundred thirteen million, eight hundred thirty-eight thousand, four hundred seventy-nine".