256356334 has 8 divisors (see below), whose sum is σ = 414114120. Its totient is φ = 118318296.

The previous prime is 256356307. The next prime is 256356383. The reversal of 256356334 is 433653652.

256356334 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 256356293 and 256356302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4929904 + ... + 4929955.

It is an arithmetic number, because the mean of its divisors is an integer number (51764265).

Almost surely, 2^256356334 is an apocalyptic number.

256356334 is a deficient number, since it is larger than the sum of its proper divisors (157757786).

256356334 is a wasteful number, since it uses less digits than its factorization.

256356334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9859874.

The product of its digits is 194400, while the sum is 37.

The square root of 256356334 is about 16011.1315652580. The cubic root of 256356334 is about 635.2548909556.

It can be divided in two parts, 256 and 356334, that added together give a triangular number (356590 = T₈₄₄).

The spelling of 256356334 in words is "two hundred fifty-six million, three hundred fifty-six thousand, three hundred thirty-four".