604431 has 12 divisors (see below), whose sum is σ = 879840. Its totient is φ = 399840.

The previous prime is 604427. The next prime is 604433. The reversal of 604431 is 134406.

604431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 604431 - 2² = 604427 is a prime.

It is a super-2 number, since 2×604431² = 730673667522, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (604433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2011 + ... + 2291.

It is an arithmetic number, because the mean of its divisors is an integer number (73320).

2⁶⁰⁴⁴³¹ is an apocalyptic number.

604431 is a deficient number, since it is larger than the sum of its proper divisors (275409).

604431 is a wasteful number, since it uses less digits than its factorization.

604431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526 (or 523 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 604431 is about 777.4516062110. The cubic root of 604431 is about 84.5503825211.

Adding to 604431 its reverse (134406), we get a palindrome (738837).

It can be divided in two parts, 604 and 431, that added together give a triangular number (1035 = T₄₅).

The spelling of 604431 in words is "six hundred four thousand, four hundred thirty-one".