256700339 has 16 divisors (see below), whose sum is σ = 305450688. Its totient is φ = 211133952.

The previous prime is 256700321. The next prime is 256700363. The reversal of 256700339 is 933007652.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-256700339 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 256700299 and 256700308.

It is not an unprimeable number, because it can be changed into a prime (256700369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12119 + ... + 25695.

It is an arithmetic number, because the mean of its divisors is an integer number (19090668).

Almost surely, 2^256700339 is an apocalyptic number.

256700339 is a deficient number, since it is larger than the sum of its proper divisors (48750349).

256700339 is a wasteful number, since it uses less digits than its factorization.

256700339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13694.

The product of its (nonzero) digits is 34020, while the sum is 35.

The square root of 256700339 is about 16021.8706460887. The cubic root of 256700339 is about 635.5389138223.

The spelling of 256700339 in words is "two hundred fifty-six million, seven hundred thousand, three hundred thirty-nine".