9404990 has 64 divisors (see below), whose sum is σ = 20684160. Its totient is φ = 3010560.

The previous prime is 9404987. The next prime is 9405017. The reversal of 9404990 is 994049.

9404990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 9404990.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83174 + ... + 83286.

It is an arithmetic number, because the mean of its divisors is an integer number (323190).

Almost surely, 2^9404990 is an apocalyptic number.

9404990 is an abundant number, since it is smaller than the sum of its proper divisors (11279170).

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

9404990 is a wasteful number, since it uses less digits than its factorization.

9404990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 9404990 is about 3066.7556146521. The cubic root of 9404990 is about 211.0827674064.

The spelling of 9404990 in words is "nine million, four hundred four thousand, nine hundred ninety".