256461234 has 16 divisors (see below), whose sum is σ = 523836288. Its totient is φ = 83668112.

The previous prime is 256461229. The next prime is 256461241. The reversal of 256461234 is 432164652.

256461234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 256461195 and 256461204.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 454437 + ... + 455000.

It is an arithmetic number, because the mean of its divisors is an integer number (32739768).

Almost surely, 2^256461234 is an apocalyptic number.

256461234 is an abundant number, since it is smaller than the sum of its proper divisors (267375054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

256461234 is a wasteful number, since it uses less digits than its factorization.

256461234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909489.

The product of its digits is 34560, while the sum is 33.

The square root of 256461234 is about 16014.4070761299. The cubic root of 256461234 is about 635.3415270710.

The spelling of 256461234 in words is "two hundred fifty-six million, four hundred sixty-one thousand, two hundred thirty-four".