253894 has 16 divisors (see below), whose sum is σ = 404928. Its totient is φ = 119232.

The previous prime is 253879. The next prime is 253901. The reversal of 253894 is 498352.

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 7 ways as a sum of consecutive naturals, for example, 3442 + ... + 3514.

It is an arithmetic number, because the mean of its divisors is an integer number (25308).

2²⁵³⁸⁹⁴ is an apocalyptic number.

253894 is a deficient number, since it is larger than the sum of its proper divisors (151034).

253894 is a wasteful number, since it uses less digits than its factorization.

253894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159.

The product of its digits is 8640, while the sum is 31.

The square root of 253894 is about 503.8789537181. The cubic root of 253894 is about 63.3214443673.

The spelling of 253894 in words is "two hundred fifty-three thousand, eight hundred ninety-four".