604657 has 4 divisors (see below), whose sum is σ = 610416. Its totient is φ = 598900.

The previous prime is 604651. The next prime is 604661. The reversal of 604657 is 756406.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 604657 - 2³ = 604649 is a prime.

It is a super-2 number, since 2×604657² = 731220175298, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (604651) 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, 2719 + ... + 2932.

It is an arithmetic number, because the mean of its divisors is an integer number (152604).

2⁶⁰⁴⁶⁵⁷ is an apocalyptic number.

It is an amenable number.

604657 is a deficient number, since it is larger than the sum of its proper divisors (5759).

604657 is a wasteful number, since it uses less digits than its factorization.

604657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5758.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 604657 is about 777.5969392944. The cubic root of 604657 is about 84.5609191554.

The spelling of 604657 in words is "six hundred four thousand, six hundred fifty-seven".