113984640 has 384 divisors, whose sum is σ = 492635520. Its totient is φ = 23592960.

The previous prime is 113984623. The next prime is 113984657. The reversal of 113984640 is 46489311.

113984640 is a `hidden beast` number, since 1 + 1 + 3 + 9 + 8 + 4 + 640 = 666.

It is an interprime number because it is at equal distance from previous prime (113984623) and next prime (113984657).

It is a tau number, because it is divible by the number of its divisors (384).

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

It is a junction number, because it is equal to n+sod(n) for n = 113984595 and 113984604.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 443392 + ... + 443648.

It is an arithmetic number, because the mean of its divisors is an integer number (1282905).

Almost surely, 2^113984640 is an apocalyptic number.

113984640 is a gapful number since it is divisible by the number (10) 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 113984640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246317760).

113984640 is an abundant number, since it is smaller than the sum of its proper divisors (378650880).

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

113984640 is a wasteful number, since it uses less digits than its factorization.

113984640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300 (or 285 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 113984640 is about 10676.3589298974. The cubic root of 113984640 is about 484.8589805051.

The spelling of 113984640 in words is "one hundred thirteen million, nine hundred eighty-four thousand, six hundred forty".