4256443 has 16 divisors (see below), whose sum is σ = 4744224. Its totient is φ = 3801600.

The previous prime is 4256431. The next prime is 4256459. The reversal of 4256443 is 3446524.

It is a cyclic number.

It is not a de Polignac number, because 4256443 - 2⁹ = 4255931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4253443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42093 + ... + 42193.

It is an arithmetic number, because the mean of its divisors is an integer number (296514).

Almost surely, 2^4256443 is an apocalyptic number.

4256443 is a deficient number, since it is larger than the sum of its proper divisors (487781).

4256443 is a wasteful number, since it uses less digits than its factorization.

4256443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222.

The product of its digits is 11520, while the sum is 28.

The square root of 4256443 is about 2063.1148780424. The cubic root of 4256443 is about 162.0624029265.

The spelling of 4256443 in words is "four million, two hundred fifty-six thousand, four hundred forty-three".