118298490 has 16 divisors (see below), whose sum is σ = 283916448. Its totient is φ = 31546256.

The previous prime is 118298447. The next prime is 118298513. The reversal of 118298490 is 94892811.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1971612 + ... + 1971671.

It is an arithmetic number, because the mean of its divisors is an integer number (17744778).

Almost surely, 2^118298490 is an apocalyptic number.

118298490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

118298490 is an abundant number, since it is smaller than the sum of its proper divisors (165617958).

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

118298490 is a wasteful number, since it uses less digits than its factorization.

118298490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3943293.

The product of its (nonzero) digits is 41472, while the sum is 42.

The square root of 118298490 is about 10876.5109295215. The cubic root of 118298490 is about 490.9000395201.

The spelling of 118298490 in words is "one hundred eighteen million, two hundred ninety-eight thousand, four hundred ninety".