604420056 has 80 divisors (see below), whose sum is σ = 1724976000. Its totient is φ = 197660736.

The previous prime is 604420021. The next prime is 604420067. The reversal of 604420056 is 650024406.

It is a happy number.

604420056 is a `hidden beast` number, since 604 + 4 + 2 + 0 + 0 + 56 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 25545 + ... + 43143.

It is an arithmetic number, because the mean of its divisors is an integer number (21562200).

Almost surely, 2^604420056 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 604420056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (862488000).

604420056 is an abundant number, since it is smaller than the sum of its proper divisors (1120555944).

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

604420056 is a wasteful number, since it uses less digits than its factorization.

604420056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17670 (or 17657 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 604420056 is about 24584.9558876968. The cubic root of 604420056 is about 845.4987222021.

The spelling of 604420056 in words is "six hundred four million, four hundred twenty thousand, fifty-six".