113797638 has 12 divisors (see below), whose sum is σ = 246561588. Its totient is φ = 37932540.

The previous prime is 113797637. The next prime is 113797687. The reversal of 113797638 is 836797311.

113797638 is a `hidden beast` number, since 1 + 1 + 3 + 7 + 9 + 7 + 638 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 113797593 and 113797602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113797633) 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 5 ways as a sum of consecutive naturals, for example, 3161028 + ... + 3161063.

It is an arithmetic number, because the mean of its divisors is an integer number (20546799).

Almost surely, 2^113797638 is an apocalyptic number.

113797638 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

113797638 is an abundant number, since it is smaller than the sum of its proper divisors (132763950).

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

113797638 is a wasteful number, since it uses less digits than its factorization.

113797638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6322099 (or 6322096 counting only the distinct ones).

The product of its digits is 190512, while the sum is 45.

The square root of 113797638 is about 10667.5975739620. The cubic root of 113797638 is about 484.5936838588.

The spelling of 113797638 in words is "one hundred thirteen million, seven hundred ninety-seven thousand, six hundred thirty-eight".