256927694 has 8 divisors (see below), whose sum is σ = 385663680. Its totient is φ = 128373136.

The previous prime is 256927691. The next prime is 256927753. The reversal of 256927694 is 496729652.

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

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256927691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41759 + ... + 47514.

It is an arithmetic number, because the mean of its divisors is an integer number (48207960).

Almost surely, 2^256927694 is an apocalyptic number.

256927694 is a deficient number, since it is larger than the sum of its proper divisors (128735986).

256927694 is a wasteful number, since it uses less digits than its factorization.

256927694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90714.

The product of its digits is 1632960, while the sum is 50.

The square root of 256927694 is about 16028.9642210593. The cubic root of 256927694 is about 635.7264870227.

The spelling of 256927694 in words is "two hundred fifty-six million, nine hundred twenty-seven thousand, six hundred ninety-four".