115392993 has 8 divisors (see below), whose sum is σ = 154264800. Its totient is φ = 76724928.

The previous prime is 115392989. The next prime is 115392997. The reversal of 115392993 is 399293511.

It is an interprime number because it is at equal distance from previous prime (115392989) and next prime (115392997).

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

It is not a de Polignac number, because 115392993 - 2² = 115392989 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (115392997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49608 + ... + 51881.

It is an arithmetic number, because the mean of its divisors is an integer number (19283100).

Almost surely, 2^115392993 is an apocalyptic number.

It is an amenable number.

115392993 is a deficient number, since it is larger than the sum of its proper divisors (38871807).

115392993 is a wasteful number, since it uses less digits than its factorization.

115392993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101871.

The product of its digits is 65610, while the sum is 42.

The square root of 115392993 is about 10742.1130602875. The cubic root of 115392993 is about 486.8477262021.

The spelling of 115392993 in words is "one hundred fifteen million, three hundred ninety-two thousand, nine hundred ninety-three".