113491944 has 24 divisors (see below), whose sum is σ = 307374210. Its totient is φ = 37830624.

The previous prime is 113491943. The next prime is 113491957. The reversal of 113491944 is 449194311.

It can be written as a sum of positive squares in only one way, i.e., 113167044 + 324900 = 10638^2 + 570^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 113491899 and 113491908.

It is not an unprimeable number, because it can be changed into a prime (113491943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 788067 + ... + 788210.

Almost surely, 2^113491944 is an apocalyptic number.

It is an amenable number.

113491944 is an abundant number, since it is smaller than the sum of its proper divisors (193882266).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113491944 is a wasteful number, since it uses less digits than its factorization.

113491944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1576289 (or 1576282 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 113491944 is about 10653.2597828083. The cubic root of 113491944 is about 484.1593742386.

The spelling of 113491944 in words is "one hundred thirteen million, four hundred ninety-one thousand, nine hundred forty-four".