115893986 has 8 divisors (see below), whose sum is σ = 187213404. Its totient is φ = 53489520.

The previous prime is 115893971. The next prime is 115894007. The reversal of 115893986 is 689398511.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 86136961 + 29757025 = 9281^2 + 5455^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 2228705 + ... + 2228756.

Almost surely, 2^115893986 is an apocalyptic number.

115893986 is a deficient number, since it is larger than the sum of its proper divisors (71319418).

115893986 is a wasteful number, since it uses less digits than its factorization.

115893986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4457476.

The product of its digits is 466560, while the sum is 50.

The square root of 115893986 is about 10765.4069128854. The cubic root of 115893986 is about 487.5512789364.

It can be divided in two parts, 11 and 5893986, that multiplied together give a palindrome (64833846).

The spelling of 115893986 in words is "one hundred fifteen million, eight hundred ninety-three thousand, nine hundred eighty-six".