453204 has 18 divisors (see below), whose sum is σ = 1145690. Its totient is φ = 151056.

The previous prime is 453199. The next prime is 453209. The reversal of 453204 is 402354.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (453199) and next prime (453209).

It can be written as a sum of positive squares in only one way, i.e., 291600 + 161604 = 540^2 + 402^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (453209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6259 + ... + 6330.

2⁴⁵³²⁰⁴ is an apocalyptic number.

It is an amenable number.

453204 is an abundant number, since it is smaller than the sum of its proper divisors (692486).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

453204 is a wasteful number, since it uses less digits than its factorization.

453204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12599 (or 12594 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 453204 is about 673.2042780613. The cubic root of 453204 is about 76.8123840707.

Adding to 453204 its reverse (402354), we get a palindrome (855558).

It can be divided in two parts, 45 and 3204, that added together give a square (3249 = 57²).

The spelling of 453204 in words is "four hundred fifty-three thousand, two hundred four".