113904449 has 4 divisors (see below), whose sum is σ = 119899440. Its totient is φ = 107909460.

The previous prime is 113904421. The next prime is 113904457. The reversal of 113904449 is 944409311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 944409311 = 181 ⋅5217731.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113904449 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (113904409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2997467 + ... + 2997504.

It is an arithmetic number, because the mean of its divisors is an integer number (29974860).

Almost surely, 2^113904449 is an apocalyptic number.

113904449 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

113904449 is a deficient number, since it is larger than the sum of its proper divisors (5994991).

113904449 is an equidigital number, since it uses as much as digits as its factorization.

113904449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5994990.

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

The square root of 113904449 is about 10672.6027284819. The cubic root of 113904449 is about 484.7452504211.

The spelling of 113904449 in words is "one hundred thirteen million, nine hundred four thousand, four hundred forty-nine".