115628916 has 96 divisors (see below), whose sum is σ = 306230400. Its totient is φ = 33707520.

The previous prime is 115628879. The next prime is 115628921. The reversal of 115628916 is 619826511.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 275755 + ... + 276173.

It is an arithmetic number, because the mean of its divisors is an integer number (3189900).

Almost surely, 2^115628916 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 115628916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153115200).

115628916 is an abundant number, since it is smaller than the sum of its proper divisors (190601484).

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

115628916 is a wasteful number, since it uses less digits than its factorization.

115628916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529 (or 527 counting only the distinct ones).

The product of its digits is 25920, while the sum is 39.

The square root of 115628916 is about 10753.0886725629. The cubic root of 115628916 is about 487.1792899164.

The spelling of 115628916 in words is "one hundred fifteen million, six hundred twenty-eight thousand, nine hundred sixteen".