118396290 has 32 divisors (see below), whose sum is σ = 290200320. Its totient is φ = 30900224.

The previous prime is 118396283. The next prime is 118396301. The reversal of 118396290 is 92693811.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40575 + ... + 43394.

It is an arithmetic number, because the mean of its divisors is an integer number (9068760).

Almost surely, 2^118396290 is an apocalyptic number.

118396290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

118396290 is an abundant number, since it is smaller than the sum of its proper divisors (171804030).

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

118396290 is a wasteful number, since it uses less digits than its factorization.

118396290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84026.

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 118396290 is about 10881.0059277624. The cubic root of 118396290 is about 491.0352815947.

The spelling of 118396290 in words is "one hundred eighteen million, three hundred ninety-six thousand, two hundred ninety".