115904893 has 4 divisors (see below), whose sum is σ = 124820668. Its totient is φ = 106989120.

The previous prime is 115904881. The next prime is 115904903. The reversal of 115904893 is 398409511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13935289 + 101969604 = 3733^2 + 10098^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115904893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115904863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4457868 + ... + 4457893.

It is an arithmetic number, because the mean of its divisors is an integer number (31205167).

Almost surely, 2^115904893 is an apocalyptic number.

115904893 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

115904893 is a deficient number, since it is larger than the sum of its proper divisors (8915775).

115904893 is an equidigital number, since it uses as much as digits as its factorization.

115904893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8915774.

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 115904893 is about 10765.9134772670. The cubic root of 115904893 is about 487.5665732445.

The spelling of 115904893 in words is "one hundred fifteen million, nine hundred four thousand, eight hundred ninety-three".