256206894 has 8 divisors (see below), whose sum is σ = 512413800. Its totient is φ = 85402296.

The previous prime is 256206883. The next prime is 256206911. The reversal of 256206894 is 498602652.

256206894 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

256206894 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21350569 + ... + 21350580.

It is an arithmetic number, because the mean of its divisors is an integer number (64051725).

Almost surely, 2^256206894 is an apocalyptic number.

256206894 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

256206894 is a wasteful number, since it uses less digits than its factorization.

256206894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42701154.

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 256206894 is about 16006.4641317188. The cubic root of 256206894 is about 635.1314287653.

The spelling of 256206894 in words is "two hundred fifty-six million, two hundred six thousand, eight hundred ninety-four".