604658 has 4 divisors (see below), whose sum is σ = 906990. Its totient is φ = 302328.

The previous prime is 604651. The next prime is 604661. The reversal of 604658 is 856406.

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

It can be written as a sum of positive squares in only one way, i.e., 351649 + 253009 = 593^2 + 503^2 .

It is a super-2 number, since 2×604658² = 731222593928, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 604658.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 604658.

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 as a sum of consecutive naturals, namely, 151163 + ... + 151166.

2⁶⁰⁴⁶⁵⁸ is an apocalyptic number.

604658 is a deficient number, since it is larger than the sum of its proper divisors (302332).

604658 is a wasteful number, since it uses less digits than its factorization.

604658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302331.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 604658 is about 777.5975823008. The cubic root of 604658 is about 84.5609657719.

The spelling of 604658 in words is "six hundred four thousand, six hundred fifty-eight".