115917320 has 16 divisors (see below), whose sum is σ = 260814060. Its totient is φ = 46366912.

The previous prime is 115917311. The next prime is 115917341. The reversal of 115917320 is 23719511.

It can be written as a sum of positive squares in 2 ways, for example, as 110544196 + 5373124 = 10514^2 + 2318^2 .

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, 1448927 + ... + 1449006.

Almost surely, 2^115917320 is an apocalyptic number.

115917320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115917320 is an abundant number, since it is smaller than the sum of its proper divisors (144896740).

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

115917320 is a wasteful number, since it uses less digits than its factorization.

115917320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2897944 (or 2897940 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 29.

The square root of 115917320 is about 10766.4906074356. The cubic root of 115917320 is about 487.5839977987.

The spelling of 115917320 in words is "one hundred fifteen million, nine hundred seventeen thousand, three hundred twenty".