115861884 has 12 divisors (see below), whose sum is σ = 270344424. Its totient is φ = 38620624.

The previous prime is 115861871. The next prime is 115861897. The reversal of 115861884 is 488168511.

It is an interprime number because it is at equal distance from previous prime (115861871) and next prime (115861897).

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

It is a congruent number.

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, 4827567 + ... + 4827590.

It is an arithmetic number, because the mean of its divisors is an integer number (22528702).

Almost surely, 2^115861884 is an apocalyptic number.

It is an amenable number.

115861884 is an abundant number, since it is smaller than the sum of its proper divisors (154482540).

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

115861884 is a wasteful number, since it uses less digits than its factorization.

115861884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9655164 (or 9655162 counting only the distinct ones).

The product of its digits is 61440, while the sum is 42.

The square root of 115861884 is about 10763.9158302172. The cubic root of 115861884 is about 487.5062584338.

The spelling of 115861884 in words is "one hundred fifteen million, eight hundred sixty-one thousand, eight hundred eighty-four".