253384 has 16 divisors (see below), whose sum is σ = 500400. Its totient is φ = 119952.

The previous prime is 253381. The next prime is 253387. The reversal of 253384 is 483352.

It is an interprime number because it is at equal distance from previous prime (253381) and next prime (253387).

It is not an unprimeable number, because it can be changed into a prime (253381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 682 + ... + 985.

It is an arithmetic number, because the mean of its divisors is an integer number (31275).

2²⁵³³⁸⁴ is an apocalyptic number.

It is an amenable number.

253384 is a deficient number, since it is larger than the sum of its proper divisors (247016).

253384 is a wasteful number, since it uses less digits than its factorization.

253384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1692 (or 1688 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 253384 is about 503.3726253979. The cubic root of 253384 is about 63.2790177590.

The spelling of 253384 in words is "two hundred fifty-three thousand, three hundred eighty-four".