253804 has 12 divisors (see below), whose sum is σ = 449064. Its totient is φ = 125504.

The previous prime is 253801. The next prime is 253811. The reversal of 253804 is 408352.

It is not an unprimeable number, because it can be changed into a prime (253801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132 + ... + 724.

It is an arithmetic number, because the mean of its divisors is an integer number (37422).

2²⁵³⁸⁰⁴ is an apocalyptic number.

It is an amenable number.

253804 is a deficient number, since it is larger than the sum of its proper divisors (195260).

253804 is a wasteful number, since it uses less digits than its factorization.

253804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704 (or 702 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 253804 is about 503.7896386390. The cubic root of 253804 is about 63.3139614499.

The spelling of 253804 in words is "two hundred fifty-three thousand, eight hundred four".