253936 has 20 divisors (see below), whose sum is σ = 502200. Its totient is φ = 124352.

The previous prime is 253919. The next prime is 253937. The reversal of 253936 is 639352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253937) 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, 810 + ... + 1078.

It is an arithmetic number, because the mean of its divisors is an integer number (25110).

2²⁵³⁹³⁶ is an apocalyptic number.

It is an amenable number.

253936 is a deficient number, since it is larger than the sum of its proper divisors (248264).

253936 is a wasteful number, since it uses less digits than its factorization.

253936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336 (or 330 counting only the distinct ones).

The product of its digits is 4860, while the sum is 28.

The square root of 253936 is about 503.9206286708. The cubic root of 253936 is about 63.3249357903.

The spelling of 253936 in words is "two hundred fifty-three thousand, nine hundred thirty-six".