253924 has 24 divisors (see below), whose sum is σ = 504000. Its totient is φ = 110880.

The previous prime is 253919. The next prime is 253937. The reversal of 253924 is 429352.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1177 + ... + 1375.

It is an arithmetic number, because the mean of its divisors is an integer number (21000).

2²⁵³⁹²⁴ is an apocalyptic number.

253924 is the 319-th heptagonal number.

It is an amenable number.

253924 is a deficient number, since it is larger than the sum of its proper divisors (250076).

253924 is a wasteful number, since it uses less digits than its factorization.

253924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243 (or 241 counting only the distinct ones).

The product of its digits is 2160, while the sum is 25.

The square root of 253924 is about 503.9087218932. The cubic root of 253924 is about 63.3239382801.

The spelling of 253924 in words is "two hundred fifty-three thousand, nine hundred twenty-four".