256358606 has 24 divisors (see below), whose sum is σ = 466851216. Its totient is φ = 103403520.

The previous prime is 256358603. The next prime is 256358617. The reversal of 256358606 is 606853652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256358603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27635 + ... + 35726.

It is an arithmetic number, because the mean of its divisors is an integer number (19452134).

Almost surely, 2^256358606 is an apocalyptic number.

256358606 is a deficient number, since it is larger than the sum of its proper divisors (210492610).

256358606 is a wasteful number, since it uses less digits than its factorization.

256358606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63404 (or 63387 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 41.

The square root of 256358606 is about 16011.2025157388. The cubic root of 256358606 is about 635.2567676336.

The spelling of 256358606 in words is "two hundred fifty-six million, three hundred fifty-eight thousand, six hundred six".