115929380 has 24 divisors (see below), whose sum is σ = 278230848. Its totient is φ = 39747168.

The previous prime is 115929377. The next prime is 115929389. The reversal of 115929380 is 83929511.

It is a super-2 number, since 2×115929380² = 26879242294368800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (115929389) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 413894 + ... + 414173.

It is an arithmetic number, because the mean of its divisors is an integer number (11592952).

Almost surely, 2^115929380 is an apocalyptic number.

115929380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115929380 is an abundant number, since it is smaller than the sum of its proper divisors (162301468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115929380 is a wasteful number, since it uses less digits than its factorization.

115929380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828083 (or 828081 counting only the distinct ones).

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

The square root of 115929380 is about 10767.0506639469. The cubic root of 115929380 is about 487.6009065721.

The spelling of 115929380 in words is "one hundred fifteen million, nine hundred twenty-nine thousand, three hundred eighty".