9003992 has 8 divisors (see below), whose sum is σ = 16882500. Its totient is φ = 4501992.

The previous prime is 9003977. The next prime is 9003997. The reversal of 9003992 is 2993009.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9003997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562742 + ... + 562757.

Almost surely, 2^9003992 is an apocalyptic number.

It is an amenable number.

9003992 is a deficient number, since it is larger than the sum of its proper divisors (7878508).

9003992 is a wasteful number, since it uses less digits than its factorization.

9003992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125505 (or 1125501 counting only the distinct ones).

The product of its (nonzero) digits is 4374, while the sum is 32.

The square root of 9003992 is about 3000.6652595716. The cubic root of 9003992 is about 208.0391321837.

The spelling of 9003992 in words is "nine million, three thousand, nine hundred ninety-two".