8909604 has 72 divisors (see below), whose sum is σ = 24897600. Its totient is φ = 2664000.

The previous prime is 8909591. The next prime is 8909609. The reversal of 8909604 is 4069098.

8909604 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 (8909609) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58929 + ... + 59079.

It is an arithmetic number, because the mean of its divisors is an integer number (345800).

Almost surely, 2^8909604 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 8909604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12448800).

8909604 is an abundant number, since it is smaller than the sum of its proper divisors (15987996).

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

8909604 is a wasteful number, since it uses less digits than its factorization.

8909604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321 (or 316 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 8909604 is about 2984.8959780870. The cubic root of 8909604 is about 207.3096255556.

The spelling of 8909604 in words is "eight million, nine hundred nine thousand, six hundred four".