253448384 has 42 divisors (see below), whose sum is σ = 585055980. Its totient is φ = 108619392.

The previous prime is 253448383. The next prime is 253448387. The reversal of 253448384 is 483844352.

It is a super-2 number, since 2×253448384² = 128472166704422912, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (253448383) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37274 + ... + 43545.

Almost surely, 2^253448384 is an apocalyptic number.

It is an amenable number.

253448384 is an abundant number, since it is smaller than the sum of its proper divisors (331607596).

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

253448384 is an equidigital number, since it uses as much as digits as its factorization.

253448384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80845 (or 80828 counting only the distinct ones).

The product of its digits is 368640, while the sum is 41.

The square root of 253448384 is about 15920.0623114358. The cubic root of 253448384 is about 632.8437696511.

The spelling of 253448384 in words is "two hundred fifty-three million, four hundred forty-eight thousand, three hundred eighty-four".