115786393 has 4 divisors (see below), whose sum is σ = 120820608. Its totient is φ = 110752180.

The previous prime is 115786387. The next prime is 115786403. The reversal of 115786393 is 393687511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 115786393 - 2¹⁷ = 115655321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115786313) 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, 2517073 + ... + 2517118.

It is an arithmetic number, because the mean of its divisors is an integer number (30205152).

Almost surely, 2^115786393 is an apocalyptic number.

It is an amenable number.

115786393 is a deficient number, since it is larger than the sum of its proper divisors (5034215).

115786393 is an equidigital number, since it uses as much as digits as its factorization.

115786393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5034214.

The product of its digits is 136080, while the sum is 43.

The square root of 115786393 is about 10760.4085888966. The cubic root of 115786393 is about 487.4003555272.

It can be divided in two parts, 11578 and 6393, that added together give a palindrome (17971).

The spelling of 115786393 in words is "one hundred fifteen million, seven hundred eighty-six thousand, three hundred ninety-three".