256211846 has 16 divisors (see below), whose sum is σ = 441322560. Its totient is φ = 110330280.

The previous prime is 256211843. The next prime is 256211863. The reversal of 256211846 is 648112652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256211843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306056 + ... + 306891.

It is an arithmetic number, because the mean of its divisors is an integer number (27582660).

Almost surely, 2^256211846 is an apocalyptic number.

256211846 is a deficient number, since it is larger than the sum of its proper divisors (185110714).

256211846 is a wasteful number, since it uses less digits than its factorization.

256211846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612979.

The product of its digits is 23040, while the sum is 35.

The square root of 256211846 is about 16006.6188184763. The cubic root of 256211846 is about 635.1355207064.

The spelling of 256211846 in words is "two hundred fifty-six million, two hundred eleven thousand, eight hundred forty-six".