604631 has 4 divisors (see below), whose sum is σ = 606552. Its totient is φ = 602712.

The previous prime is 604619. The next prime is 604649. The reversal of 604631 is 136406.

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

It is a cyclic number.

It is not a de Polignac number, because 604631 - 2¹⁰ = 603607 is a prime.

It is a super-2 number, since 2×604631² = 731157292322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (604651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 365 + ... + 1158.

It is an arithmetic number, because the mean of its divisors is an integer number (151638).

2⁶⁰⁴⁶³¹ is an apocalyptic number.

604631 is a deficient number, since it is larger than the sum of its proper divisors (1921).

604631 is a wasteful number, since it uses less digits than its factorization.

604631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1920.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 604631 is about 777.5802209419. The cubic root of 604631 is about 84.5597071099.

The spelling of 604631 in words is "six hundred four thousand, six hundred thirty-one".