9644904 has 48 divisors (see below), whose sum is σ = 26410020. Its totient is φ = 3179520.

The previous prime is 9644903. The next prime is 9644909. The reversal of 9644904 is 4094469.

9644904 is a `hidden beast` number, since 9 + 644 + 9 + 0 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 9622404 + 22500 = 3102^2 + 150^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (9644903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6294 + ... + 7674.

Almost surely, 2^9644904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9644904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13205010).

9644904 is an abundant number, since it is smaller than the sum of its proper divisors (16765116).

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

9644904 is a wasteful number, since it uses less digits than its factorization.

9644904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1490 (or 1483 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 9644904 is about 3105.6245748641. The cubic root of 9644904 is about 212.8625708740.

The spelling of 9644904 in words is "nine million, six hundred forty-four thousand, nine hundred four".