253888384 has 16 divisors (see below), whose sum is σ = 505793520. Its totient is φ = 126944128.

The previous prime is 253888381. The next prime is 253888433. The reversal of 253888384 is 483888352.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253888381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 991624 + ... + 991879.

It is an arithmetic number, because the mean of its divisors is an integer number (31612095).

Almost surely, 2^253888384 is an apocalyptic number.

It is an amenable number.

253888384 is a deficient number, since it is larger than the sum of its proper divisors (251905136).

253888384 is an equidigital number, since it uses as much as digits as its factorization.

253888384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1983517 (or 1983505 counting only the distinct ones).

The product of its digits is 1474560, while the sum is 49.

The square root of 253888384 is about 15933.8753603761. The cubic root of 253888384 is about 633.2097748498.

The spelling of 253888384 in words is "two hundred fifty-three million, eight hundred eighty-eight thousand, three hundred eighty-four".