8990023 has 12 divisors (see below), whose sum is σ = 10460208. Its totient is φ = 7568640.

The previous prime is 8990011. The next prime is 8990027. The reversal of 8990023 is 3200998.

It is a happy number.

It is not a de Polignac number, because 8990023 - 2⁹ = 8989511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8990027) 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 in 11 ways as a sum of consecutive naturals, for example, 37183 + ... + 37423.

It is an arithmetic number, because the mean of its divisors is an integer number (871684).

Almost surely, 2^8990023 is an apocalyptic number.

8990023 is a deficient number, since it is larger than the sum of its proper divisors (1470185).

8990023 is an equidigital number, since it uses as much as digits as its factorization.

8990023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394 (or 321 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 8990023 is about 2998.3367055753. The cubic root of 8990023 is about 207.9314909361.

The spelling of 8990023 in words is "eight million, nine hundred ninety thousand, twenty-three".