4406004 has 18 divisors (see below), whose sum is σ = 11137490. Its totient is φ = 1468656.

The previous prime is 4405991. The next prime is 4406021. The reversal of 4406004 is 4006044.

It can be written as a sum of positive squares in only one way, i.e., 4284900 + 121104 = 2070^2 + 348^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61159 + ... + 61230.

Almost surely, 2^4406004 is an apocalyptic number.

It is an amenable number.

4406004 is an abundant number, since it is smaller than the sum of its proper divisors (6731486).

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

4406004 is a wasteful number, since it uses less digits than its factorization.

4406004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122399 (or 122394 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 4406004 is about 2099.0483558032. The cubic root of 4406004 is about 163.9387536521.

The spelling of 4406004 in words is "four million, four hundred six thousand, four".