9090992 has 10 divisors (see below), whose sum is σ = 17613828. Its totient is φ = 4545488.

The previous prime is 9090989. The next prime is 9091009. The reversal of 9090992 is 2990909.

9090992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×9090992² = 165292271088128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 284078 + ... + 284109.

Almost surely, 2^9090992 is an apocalyptic number.

It is an amenable number.

9090992 is a deficient number, since it is larger than the sum of its proper divisors (8522836).

9090992 is a wasteful number, since it uses less digits than its factorization.

9090992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568195 (or 568189 counting only the distinct ones).

The product of its (nonzero) digits is 13122, while the sum is 38.

The square root of 9090992 is about 3015.1271946636. The cubic root of 9090992 is about 208.7070367079.

The spelling of 9090992 in words is "nine million, ninety thousand, nine hundred ninety-two".