253886688 has 72 divisors (see below), whose sum is σ = 787635576. Its totient is φ = 76934400.

The previous prime is 253886671. The next prime is 253886693. The reversal of 253886688 is 886688352.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36903 + ... + 43238.

It is an arithmetic number, because the mean of its divisors is an integer number (10939383).

Almost surely, 2^253886688 is an apocalyptic number.

It is an amenable number.

253886688 is an abundant number, since it is smaller than the sum of its proper divisors (533748888).

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

253886688 is a wasteful number, since it uses less digits than its factorization.

253886688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80168 (or 80157 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 54.

The square root of 253886688 is about 15933.8221403403. The cubic root of 253886688 is about 633.2083648783.

The spelling of 253886688 in words is "two hundred fifty-three million, eight hundred eighty-six thousand, six hundred eighty-eight".