254381856 has 24 divisors (see below), whose sum is σ = 667752624. Its totient is φ = 84793920.

The previous prime is 254381849. The next prime is 254381873. The reversal of 254381856 is 658183452.

It is a tau number, because it is divible by the number of its divisors (24).

It is an alternating number because its digits alternate between even and odd.

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 3 ways as a sum of consecutive naturals, for example, 1324810 + ... + 1325001.

It is an arithmetic number, because the mean of its divisors is an integer number (27823026).

Almost surely, 2^254381856 is an apocalyptic number.

It is an amenable number.

254381856 is an abundant number, since it is smaller than the sum of its proper divisors (413370768).

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

254381856 is a wasteful number, since it uses less digits than its factorization.

254381856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2649824 (or 2649816 counting only the distinct ones).

The product of its digits is 230400, while the sum is 42.

The square root of 254381856 is about 15949.3528395355. The cubic root of 254381856 is about 633.6197569342.

The spelling of 254381856 in words is "two hundred fifty-four million, three hundred eighty-one thousand, eight hundred fifty-six".