4256863 has 12 divisors (see below), whose sum is σ = 4800040. Its totient is φ = 3752496.

The previous prime is 4256839. The next prime is 4256897. The reversal of 4256863 is 3686524.

It is a happy number.

It is not a de Polignac number, because 4256863 - 2⁵ = 4256831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4256803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6568 + ... + 7186.

Almost surely, 2^4256863 is an apocalyptic number.

4256863 is a deficient number, since it is larger than the sum of its proper divisors (543177).

4256863 is a wasteful number, since it uses less digits than its factorization.

4256863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678 (or 655 counting only the distinct ones).

The product of its digits is 34560, while the sum is 34.

The square root of 4256863 is about 2063.2166633681. The cubic root of 4256863 is about 162.0677331965.

The spelling of 4256863 in words is "four million, two hundred fifty-six thousand, eight hundred sixty-three".