427866256 has 10 divisors (see below), whose sum is σ = 828990902. Its totient is φ = 213933120.

The previous prime is 427866233. The next prime is 427866259. The reversal of 427866256 is 652668724.

It can be written as a sum of positive squares in only one way, i.e., 374809600 + 53056656 = 19360^2 + 7284^2 .

It is not an unprimeable number, because it can be changed into a prime (427866259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13370805 + ... + 13370836.

Almost surely, 2^427866256 is an apocalyptic number.

It is an amenable number.

427866256 is a deficient number, since it is larger than the sum of its proper divisors (401124646).

427866256 is a wasteful number, since it uses less digits than its factorization.

427866256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26741649 (or 26741643 counting only the distinct ones).

The product of its digits is 967680, while the sum is 46.

The square root of 427866256 is about 20684.9282328946. The cubic root of 427866256 is about 753.5336984116.

The spelling of 427866256 in words is "four hundred twenty-seven million, eight hundred sixty-six thousand, two hundred fifty-six".