4256847 has 32 divisors (see below), whose sum is σ = 7311360. Its totient is φ = 2397600.

The previous prime is 4256839. The next prime is 4256897. The reversal of 4256847 is 7486524.

It is not a de Polignac number, because 4256847 - 2³ = 4256839 is a prime.

4256847 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4256807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18978 + ... + 19200.

It is an arithmetic number, because the mean of its divisors is an integer number (228480).

Almost surely, 2^4256847 is an apocalyptic number.

4256847 is a deficient number, since it is larger than the sum of its proper divisors (3054513).

4256847 is a wasteful number, since it uses less digits than its factorization.

4256847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340 (or 334 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 4256847 is about 2063.2127859239. The cubic root of 4256847 is about 162.0675301450.

The spelling of 4256847 in words is "four million, two hundred fifty-six thousand, eight hundred forty-seven".