440604 has 18 divisors (see below), whose sum is σ = 1113840. Its totient is φ = 146856.

The previous prime is 440581. The next prime is 440641. The reversal of 440604 is 406044.

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, 6084 + ... + 6155.

It is an arithmetic number, because the mean of its divisors is an integer number (61880).

2⁴⁴⁰⁶⁰⁴ is an apocalyptic number.

It is an amenable number.

440604 is an abundant number, since it is smaller than the sum of its proper divisors (673236).

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

440604 is a wasteful number, since it uses less digits than its factorization.

440604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12249 (or 12244 counting only the distinct ones).

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

The square root of 440604 is about 663.7800840640. The cubic root of 440604 is about 76.0938360795.

Adding to 440604 its reverse (406044), we get a palindrome (846648).

The spelling of 440604 in words is "four hundred forty thousand, six hundred four".