9660990 has 32 divisors (see below), whose sum is σ = 23296896. Its totient is φ = 2564000.

The previous prime is 9660979. The next prime is 9661009. The reversal of 9660990 is 990669.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 6889 + ... + 8171.

It is an arithmetic number, because the mean of its divisors is an integer number (728028).

Almost surely, 2^9660990 is an apocalyptic number.

9660990 is an abundant number, since it is smaller than the sum of its proper divisors (13635906).

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

9660990 is a wasteful number, since it uses less digits than its factorization.

9660990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1544.

The product of its (nonzero) digits is 26244, while the sum is 39.

The square root of 9660990 is about 3108.2133131431. The cubic root of 9660990 is about 212.9808442294.

The spelling of 9660990 in words is "nine million, six hundred sixty thousand, nine hundred ninety".