990294118 has 32 divisors (see below), whose sum is σ = 1707443712. Its totient is φ = 426360000.

The previous prime is 990294091. The next prime is 990294119. The reversal of 990294118 is 811492099.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (990294119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42618 + ... + 61618.

It is an arithmetic number, because the mean of its divisors is an integer number (53357616).

Almost surely, 2^990294118 is an apocalyptic number.

990294118 is a deficient number, since it is larger than the sum of its proper divisors (717149594).

990294118 is a wasteful number, since it uses less digits than its factorization.

990294118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19140.

The product of its (nonzero) digits is 46656, while the sum is 43.

The square root of 990294118 is about 31468.9389398499. The cubic root of 990294118 is about 996.7541820645.

The spelling of 990294118 in words is "nine hundred ninety million, two hundred ninety-four thousand, one hundred eighteen".