• 604 can be written using four 4's:

604 has 6 divisors (see below), whose sum is σ = 1064. Its totient is φ = 300.

The previous prime is 601. The next prime is 607. The reversal of 604 is 406.

604 is nontrivially palindromic in base 12.

604 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (601) and next prime (607).

604 is an undulating number in base 12.

It is a plaindrome in base 6, base 8, base 11 and base 16.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72 + ... + 79.

It is an amenable number.

604 is a deficient number, since it is larger than the sum of its proper divisors (460).

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

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

The sum of its prime factors is 155 (or 153 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 604 is about 24.5764114549. The cubic root of 604 is about 8.4530281037.

It can be divided in two parts, 60 and 4, that added together give a 6-th power (64 = 2^{6}).

The spelling of 604 in words is "six hundred four", and thus it is an aban number.

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