604426644 has 48 divisors (see below), whose sum is σ = 1571169600. Its totient is φ = 200943648.

The previous prime is 604426609. The next prime is 604426661. The reversal of 604426644 is 446624406.

It is a happy number.

604426644 is a `hidden beast` number, since 6 + 0 + 4 + 4 + 2 + 6 + 644 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 604426599 and 604426608.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34819 + ... + 49205.

It is an arithmetic number, because the mean of its divisors is an integer number (32732700).

Almost surely, 2^604426644 is an apocalyptic number.

It is an amenable number.

604426644 is an abundant number, since it is smaller than the sum of its proper divisors (966742956).

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

604426644 is a wasteful number, since it uses less digits than its factorization.

604426644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14789 (or 14781 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

The square root of 604426644 is about 24585.0898717088. The cubic root of 604426644 is about 845.5017940863.

The spelling of 604426644 in words is "six hundred four million, four hundred twenty-six thousand, six hundred forty-four".