256774606 has 8 divisors (see below), whose sum is σ = 420176664. Its totient is φ = 116715720.

The previous prime is 256774603. The next prime is 256774627. The reversal of 256774606 is 606477652.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256774603) 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, 5835765 + ... + 5835808.

It is an arithmetic number, because the mean of its divisors is an integer number (52522083).

Almost surely, 2^256774606 is an apocalyptic number.

256774606 is a deficient number, since it is larger than the sum of its proper divisors (163402058).

256774606 is a wasteful number, since it uses less digits than its factorization.

256774606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11671586.

The product of its (nonzero) digits is 423360, while the sum is 43.

The square root of 256774606 is about 16024.1881541624. The cubic root of 256774606 is about 635.6001980127.

The spelling of 256774606 in words is "two hundred fifty-six million, seven hundred seventy-four thousand, six hundred six".