623204 has 6 divisors (see below), whose sum is σ = 1090614. Its totient is φ = 311600.

The previous prime is 623171. The next prime is 623209. The reversal of 623204 is 402326.

It can be written as a sum of positive squares in only one way, i.e., 422500 + 200704 = 650^2 + 448^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 623204.

It is not an unprimeable number, because it can be changed into a prime (623209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77897 + ... + 77904.

It is an arithmetic number, because the mean of its divisors is an integer number (181769).

2⁶²³²⁰⁴ is an apocalyptic number.

It is an amenable number.

623204 is a deficient number, since it is larger than the sum of its proper divisors (467410).

623204 is a wasteful number, since it uses less digits than its factorization.

623204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155805 (or 155803 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 623204 is about 789.4327077085. The cubic root of 623204 is about 85.4168223145.

The spelling of 623204 in words is "six hundred twenty-three thousand, two hundred four".