113403888 has 200 divisors, whose sum is σ = 362976768. Its totient is φ = 33965568.

The previous prime is 113403881. The next prime is 113403893. The reversal of 113403888 is 888304311.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113403881) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 892881 + ... + 893007.

Almost surely, 2^113403888 is an apocalyptic number.

113403888 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113403888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181488384).

113403888 is an abundant number, since it is smaller than the sum of its proper divisors (249572880).

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

113403888 is a wasteful number, since it uses less digits than its factorization.

113403888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213 (or 198 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 113403888 is about 10649.1261613336. The cubic root of 113403888 is about 484.0341254995.

The spelling of 113403888 in words is "one hundred thirteen million, four hundred three thousand, eight hundred eighty-eight".