115384390 has 32 divisors (see below), whose sum is σ = 228471840. Its totient is φ = 41953120.

The previous prime is 115384361. The next prime is 115384393. The reversal of 115384390 is 93483511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115384393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8976 + ... + 17644.

It is an arithmetic number, because the mean of its divisors is an integer number (7139745).

Almost surely, 2^115384390 is an apocalyptic number.

115384390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115384390 is a deficient number, since it is larger than the sum of its proper divisors (113087450).

115384390 is an equidigital number, since it uses as much as digits as its factorization.

115384390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8709 (or 8687 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 115384390 is about 10741.7126195035. The cubic root of 115384390 is about 486.8356270992.

The spelling of 115384390 in words is "one hundred fifteen million, three hundred eighty-four thousand, three hundred ninety".