8989992 has 48 divisors (see below), whose sum is σ = 26563680. Its totient is φ = 2724000.

The previous prime is 8989973. The next prime is 8989999. The reversal of 8989992 is 2999898.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (8989999) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4884 + ... + 6467.

It is an arithmetic number, because the mean of its divisors is an integer number (553410).

Almost surely, 2^8989992 is an apocalyptic number.

It is an amenable number.

8989992 is an abundant number, since it is smaller than the sum of its proper divisors (17573688).

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

8989992 is a wasteful number, since it uses less digits than its factorization.

8989992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11374 (or 11367 counting only the distinct ones).

The product of its digits is 839808, while the sum is 54.

The square root of 8989992 is about 2998.3315360380. The cubic root of 8989992 is about 207.9312519348.

The spelling of 8989992 in words is "eight million, nine hundred eighty-nine thousand, nine hundred ninety-two".