115982390 has 8 divisors (see below), whose sum is σ = 208768320. Its totient is φ = 46392952.

The previous prime is 115982387. The next prime is 115982401. The reversal of 115982390 is 93289511.

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

It is a super-2 number, since 2×115982390² = 26903829580224200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5799110 + ... + 5799129.

It is an arithmetic number, because the mean of its divisors is an integer number (26096040).

Almost surely, 2^115982390 is an apocalyptic number.

115982390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115982390 is a deficient number, since it is larger than the sum of its proper divisors (92785930).

115982390 is a wasteful number, since it uses less digits than its factorization.

115982390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11598246.

The product of its (nonzero) digits is 19440, while the sum is 38.

The square root of 115982390 is about 10769.5120595132. The cubic root of 115982390 is about 487.6752155619.

The spelling of 115982390 in words is "one hundred fifteen million, nine hundred eighty-two thousand, three hundred ninety".