4405604 has 24 divisors (see below), whose sum is σ = 9195648. Its totient is φ = 1805760.

The previous prime is 4405591. The next prime is 4405633. The reversal of 4405604 is 4065044.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a zygodrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 4405604.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2777 + ... + 4064.

It is an arithmetic number, because the mean of its divisors is an integer number (383152).

Almost surely, 2^4405604 is an apocalyptic number.

It is an amenable number.

4405604 is an abundant number, since it is smaller than the sum of its proper divisors (4790044).

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

4405604 is a wasteful number, since it uses less digits than its factorization.

4405604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6875 (or 6873 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 4405604 is about 2098.9530723673. The cubic root of 4405604 is about 163.9337924306.

The spelling of 4405604 in words is "four million, four hundred five thousand, six hundred four".