990295117 has 16 divisors (see below), whose sum is σ = 1177735680. Its totient is φ = 815017392.

The previous prime is 990295109. The next prime is 990295127. The reversal of 990295117 is 711592099.

990295117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 990295117 - 2³ = 990295109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (990295127) 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, 10123 + ... + 45640.

It is an arithmetic number, because the mean of its divisors is an integer number (73608480).

Almost surely, 2^990295117 is an apocalyptic number.

It is an amenable number.

990295117 is a deficient number, since it is larger than the sum of its proper divisors (187440563).

990295117 is a wasteful number, since it uses less digits than its factorization.

990295117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55872.

The product of its (nonzero) digits is 51030, while the sum is 43.

The square root of 990295117 is about 31468.9548126403. The cubic root of 990295117 is about 996.7545172367.

The spelling of 990295117 in words is "nine hundred ninety million, two hundred ninety-five thousand, one hundred seventeen".