604663 has 4 divisors (see below), whose sum is σ = 610128. Its totient is φ = 599200.

The previous prime is 604661. The next prime is 604697. The reversal of 604663 is 366406.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 366406 = 2 ⋅183203.

It is a cyclic number.

It is not a de Polignac number, because 604663 - 2¹ = 604661 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 (604661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2563 + ... + 2788.

It is an arithmetic number, because the mean of its divisors is an integer number (152532).

2⁶⁰⁴⁶⁶³ is an apocalyptic number.

604663 is a deficient number, since it is larger than the sum of its proper divisors (5465).

604663 is a wasteful number, since it uses less digits than its factorization.

604663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5464.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 604663 is about 777.6007973247. The cubic root of 604663 is about 84.5611988533.

The spelling of 604663 in words is "six hundred four thousand, six hundred sixty-three".