604660 has 36 divisors (see below), whose sum is σ = 1479492. Its totient is φ = 206976.

The previous prime is 604651. The next prime is 604661. The reversal of 604660 is 66406.

It can be written as a sum of positive squares in 2 ways, for example, as 94864 + 509796 = 308^2 + 714^2 .

It is a super-2 number, since 2×604660² = 731227431200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (604661) 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 11 ways as a sum of consecutive naturals, for example, 672 + ... + 1288.

It is an arithmetic number, because the mean of its divisors is an integer number (41097).

2⁶⁰⁴⁶⁶⁰ 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 604660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (739746).

604660 is an abundant number, since it is smaller than the sum of its proper divisors (874832).

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

604660 is a wasteful number, since it uses less digits than its factorization.

604660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640 (or 631 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 604660 is about 777.5988683119. The cubic root of 604660 is about 84.5610590046.

The spelling of 604660 in words is "six hundred four thousand, six hundred sixty".