113421984 has 72 divisors (see below), whose sum is σ = 322443072. Its totient is φ = 34894080.

The previous prime is 113421953. The next prime is 113422007. The reversal of 113421984 is 489124311.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12729 + ... + 19719.

It is an arithmetic number, because the mean of its divisors is an integer number (4478376).

Almost surely, 2^113421984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113421984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161221536).

113421984 is an abundant number, since it is smaller than the sum of its proper divisors (209021088).

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

113421984 is a wasteful number, since it uses less digits than its factorization.

113421984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7030 (or 7009 counting only the distinct ones).

The product of its digits is 6912, while the sum is 33.

The square root of 113421984 is about 10649.9757746203. The cubic root of 113421984 is about 484.0598701068.

The spelling of 113421984 in words is "one hundred thirteen million, four hundred twenty-one thousand, nine hundred eighty-four".