115984644 has 12 divisors (see below), whose sum is σ = 270630864. Its totient is φ = 38661544.

The previous prime is 115984633. The next prime is 115984681. The reversal of 115984644 is 446489511.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 115984596 and 115984605.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4832682 + ... + 4832705.

It is an arithmetic number, because the mean of its divisors is an integer number (22552572).

Almost surely, 2^115984644 is an apocalyptic number.

It is an amenable number.

115984644 is an abundant number, since it is smaller than the sum of its proper divisors (154646220).

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

115984644 is a wasteful number, since it uses less digits than its factorization.

115984644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9665394 (or 9665392 counting only the distinct ones).

The product of its digits is 138240, while the sum is 42.

The square root of 115984644 is about 10769.6167062714. The cubic root of 115984644 is about 487.6783746990.

The spelling of 115984644 in words is "one hundred fifteen million, nine hundred eighty-four thousand, six hundred forty-four".