9090663 has 4 divisors (see below), whose sum is σ = 12120888. Its totient is φ = 6060440.

The previous prime is 9090649. The next prime is 9090671. The reversal of 9090663 is 3660909.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9090663 - 2⁸ = 9090407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9090623) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1515108 + ... + 1515113.

It is an arithmetic number, because the mean of its divisors is an integer number (3030222).

Almost surely, 2^9090663 is an apocalyptic number.

9090663 is a deficient number, since it is larger than the sum of its proper divisors (3030225).

9090663 is a wasteful number, since it uses less digits than its factorization.

9090663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3030224.

The product of its (nonzero) digits is 8748, while the sum is 33.

The square root of 9090663 is about 3015.0726359410. The cubic root of 9090663 is about 208.7045189979.

The spelling of 9090663 in words is "nine million, ninety thousand, six hundred sixty-three".