256870324 has 12 divisors (see below), whose sum is σ = 450053604. Its totient is φ = 128283584.

The previous prime is 256870307. The next prime is 256870333. The reversal of 256870324 is 423078652.

256870324 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 179077924 + 77792400 = 13382^2 + 8820^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 34039 + ... + 40894.

It is an arithmetic number, because the mean of its divisors is an integer number (37504467).

Almost surely, 2^256870324 is an apocalyptic number.

It is an amenable number.

256870324 is a deficient number, since it is larger than the sum of its proper divisors (193183280).

256870324 is a wasteful number, since it uses less digits than its factorization.

256870324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75794 (or 75792 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 256870324 is about 16027.1745482477. The cubic root of 256870324 is about 635.6791658706.

The spelling of 256870324 in words is "two hundred fifty-six million, eight hundred seventy thousand, three hundred twenty-four".