9008090 has 64 divisors (see below), whose sum is σ = 21047040. Its totient is φ = 2695680.

The previous prime is 9008063. The next prime is 9008101. The reversal of 9008090 is 908009.

It is a happy number.

It is a super-2 number, since 2×9008090² = 162291370896200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17030 + ... + 17550.

It is an arithmetic number, because the mean of its divisors is an integer number (328860).

Almost surely, 2^9008090 is an apocalyptic number.

9008090 is an abundant number, since it is smaller than the sum of its proper divisors (12038950).

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

9008090 is a wasteful number, since it uses less digits than its factorization.

9008090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 9008090 is about 3001.3480304690. The cubic root of 9008090 is about 208.0706891145.

The spelling of 9008090 in words is "nine million, eight thousand, ninety".