253858488 has 64 divisors (see below), whose sum is σ = 691770240. Its totient is φ = 77161344.

The previous prime is 253858471. The next prime is 253858519. The reversal of 253858488 is 884858352.

It is a super-2 number, since 2×253858488² = 128888263859292288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 253858488.

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 15 ways as a sum of consecutive naturals, for example, 20995 + ... + 30797.

It is an arithmetic number, because the mean of its divisors is an integer number (10808910).

Almost surely, 2^253858488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 253858488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (345885120).

253858488 is an abundant number, since it is smaller than the sum of its proper divisors (437911752).

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

253858488 is a wasteful number, since it uses less digits than its factorization.

253858488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9908 (or 9904 counting only the distinct ones).

The product of its digits is 2457600, while the sum is 51.

The square root of 253858488 is about 15932.9372056755. The cubic root of 253858488 is about 633.1849198561.

The spelling of 253858488 in words is "two hundred fifty-three million, eight hundred fifty-eight thousand, four hundred eighty-eight".