115384490 has 16 divisors (see below), whose sum is σ = 223668648. Its totient is φ = 42603456.

The previous prime is 115384459. The next prime is 115384499. The reversal of 115384490 is 94483511.

It can be written as a sum of positive squares in 4 ways, for example, as 100260169 + 15124321 = 10013^2 + 3889^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 115384490.

It is not an unprimeable number, because it can be changed into a prime (115384499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 443657 + ... + 443916.

Almost surely, 2^115384490 is an apocalyptic number.

115384490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115384490 is a deficient number, since it is larger than the sum of its proper divisors (108284158).

115384490 is a wasteful number, since it uses less digits than its factorization.

115384490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887593.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 115384490 is about 10741.7172742537. The cubic root of 115384490 is about 486.8357677409.

The spelling of 115384490 in words is "one hundred fifteen million, three hundred eighty-four thousand, four hundred ninety".