994118972 has 48 divisors (see below), whose sum is σ = 2263306752. Its totient is φ = 370476480.

The previous prime is 994118963. The next prime is 994119011. The reversal of 994118972 is 279811499.

It is a self number, because there is not a number n which added to its sum of digits gives 994118972.

It is a congruent number.

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, 63083 + ... + 77250.

It is an arithmetic number, because the mean of its divisors is an integer number (47152224).

Almost surely, 2^994118972 is an apocalyptic number.

994118972 is a gapful number since it is divisible by the number (92) formed by its first and last digit.

It is an amenable number.

994118972 is an abundant number, since it is smaller than the sum of its proper divisors (1269187780).

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

994118972 is a wasteful number, since it uses less digits than its factorization.

994118972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140378 (or 140376 counting only the distinct ones).

The product of its digits is 326592, while the sum is 50.

The square root of 994118972 is about 31529.6522657640. The cubic root of 994118972 is about 998.0358017847.

It can be divided in two parts, 9 and 94118972, that multiplied together give a palindrome (847070748).

The spelling of 994118972 in words is "nine hundred ninety-four million, one hundred eighteen thousand, nine hundred seventy-two".