653204 has 12 divisors (see below), whose sum is σ = 1159284. Its totient is φ = 321984.

The previous prime is 653203. The next prime is 653207. The reversal of 653204 is 402356.

It can be written as a sum of positive squares in 2 ways, for example, as 448900 + 204304 = 670^2 + 452^2 .

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 653204.

It is not an unprimeable number, because it can be changed into a prime (653203) 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, 827 + ... + 1410.

It is an arithmetic number, because the mean of its divisors is an integer number (96607).

2⁶⁵³²⁰⁴ is an apocalyptic number.

It is an amenable number.

653204 is a deficient number, since it is larger than the sum of its proper divisors (506080).

653204 is a wasteful number, since it uses less digits than its factorization.

653204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2314 (or 2312 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 653204 is about 808.2103686541. The cubic root of 653204 is about 86.7660070621.

The spelling of 653204 in words is "six hundred fifty-three thousand, two hundred four".