253938888 has 96 divisors (see below), whose sum is σ = 815156160. Its totient is φ = 72550080.

The previous prime is 253938869. The next prime is 253938889. The reversal of 253938888 is 888839352.

253938888 is a `hidden beast` number, since 253 + 9 + 388 + 8 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253938889) 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 23 ways as a sum of consecutive naturals, for example, 4278 + ... + 22938.

It is an arithmetic number, because the mean of its divisors is an integer number (8491210).

Almost surely, 2^253938888 is an apocalyptic number.

253938888 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 253938888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (407578080).

253938888 is an abundant number, since it is smaller than the sum of its proper divisors (561217272).

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

253938888 is a wasteful number, since it uses less digits than its factorization.

253938888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18689 (or 18673 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 54.

The square root of 253938888 is about 15935.4600812151. The cubic root of 253938888 is about 633.2517585301.

The spelling of 253938888 in words is "two hundred fifty-three million, nine hundred thirty-eight thousand, eight hundred eighty-eight".