604643 has 4 divisors (see below), whose sum is σ = 651168. Its totient is φ = 558120.

The previous prime is 604619. The next prime is 604649. The reversal of 604643 is 346406.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 604643 - 2⁶ = 604579 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (604649) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 23243 + ... + 23268.

It is an arithmetic number, because the mean of its divisors is an integer number (162792).

2⁶⁰⁴⁶⁴³ is an apocalyptic number.

604643 is a deficient number, since it is larger than the sum of its proper divisors (46525).

604643 is a wasteful number, since it uses less digits than its factorization.

604643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46524.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 604643 is about 777.5879371492. The cubic root of 604643 is about 84.5602665199.

The spelling of 604643 in words is "six hundred four thousand, six hundred forty-three".