9033990 has 32 divisors (see below), whose sum is σ = 24779520. Its totient is φ = 2064864.

The previous prime is 9033979. The next prime is 9033991. The reversal of 9033990 is 993309.

It is a super-2 number, since 2×9033990² = 163225950640200, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9033991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21300 + ... + 21719.

It is an arithmetic number, because the mean of its divisors is an integer number (774360).

Almost surely, 2^9033990 is an apocalyptic number.

9033990 is an abundant number, since it is smaller than the sum of its proper divisors (15745530).

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

9033990 is a wasteful number, since it uses less digits than its factorization.

9033990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43036.

The product of its (nonzero) digits is 6561, while the sum is 33.

The square root of 9033990 is about 3005.6596613722. The cubic root of 9033990 is about 208.2699127845.

The spelling of 9033990 in words is "nine million, thirty-three thousand, nine hundred ninety".