253696 has 18 divisors (see below), whose sum is σ = 506912. Its totient is φ = 126720.

The previous prime is 253681. The next prime is 253703. The reversal of 253696 is 696352.

253696 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

253696 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240 + ... + 751.

2²⁵³⁶⁹⁶ is an apocalyptic number.

It is an amenable number.

253696 is a deficient number, since it is larger than the sum of its proper divisors (253216).

253696 is an frugal number, since it uses more digits than its factorization.

253696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007 (or 993 counting only the distinct ones).

The product of its digits is 9720, while the sum is 31.

The square root of 253696 is about 503.6824396383. The cubic root of 253696 is about 63.3049796135.

It can be divided in two parts, 253 and 696, that added together give a palindrome (949).

The spelling of 253696 in words is "two hundred fifty-three thousand, six hundred ninety-six".