605504 has 14 divisors (see below), whose sum is σ = 1201674. Its totient is φ = 302720.

The previous prime is 605503. The next prime is 605509. The reversal of 605504 is 405506.

It can be written as a sum of positive squares in only one way, i.e., 565504 + 40000 = 752^2 + 200^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (605503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4667 + ... + 4794.

2⁶⁰⁵⁵⁰⁴ is an apocalyptic number.

605504 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

605504 is a deficient number, since it is larger than the sum of its proper divisors (596170).

605504 is an equidigital number, since it uses as much as digits as its factorization.

605504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9473 (or 9463 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 605504 is about 778.1413753297. The cubic root of 605504 is about 84.6003848809.

The spelling of 605504 in words is "six hundred five thousand, five hundred four".