115896321 has 48 divisors (see below), whose sum is σ = 180843520. Its totient is φ = 71383680.

The previous prime is 115896289. The next prime is 115896323. The reversal of 115896321 is 123698511.

115896321 is a `hidden beast` number, since 1 + 15 + 8 + 9 + 632 + 1 = 666.

It is not a de Polignac number, because 115896321 - 2⁵ = 115896289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115896323) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1063215 + ... + 1063323.

Almost surely, 2^115896321 is an apocalyptic number.

It is an amenable number.

115896321 is a deficient number, since it is larger than the sum of its proper divisors (64947199).

115896321 is a wasteful number, since it uses less digits than its factorization.

115896321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286 (or 283 counting only the distinct ones).

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

The square root of 115896321 is about 10765.5153615607. The cubic root of 115896321 is about 487.5545532639.

It can be divided in two parts, 1158 and 96321, that added together give a palindrome (97479).

The spelling of 115896321 in words is "one hundred fifteen million, eight hundred ninety-six thousand, three hundred twenty-one".