115398612 has 72 divisors (see below), whose sum is σ = 335427456. Its totient is φ = 32768064.

The previous prime is 115398607. The next prime is 115398623. The reversal of 115398612 is 216893511.

115398612 is a `hidden beast` number, since 1 + 1 + 5 + 39 + 8 + 612 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42273 + ... + 44919.

Almost surely, 2^115398612 is an apocalyptic number.

115398612 is a gapful number since it is divisible by the number (12) 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 115398612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167713728).

115398612 is an abundant number, since it is smaller than the sum of its proper divisors (220028844).

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

115398612 is a wasteful number, since it uses less digits than its factorization.

115398612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2837 (or 2832 counting only the distinct ones).

The product of its digits is 12960, while the sum is 36.

The square root of 115398612 is about 10742.3745978252. The cubic root of 115398612 is about 486.8556283369.

The spelling of 115398612 in words is "one hundred fifteen million, three hundred ninety-eight thousand, six hundred twelve".