4321256 has 8 divisors (see below), whose sum is σ = 8102370. Its totient is φ = 2160624.

The previous prime is 4321243. The next prime is 4321259. The reversal of 4321256 is 6521234.

It can be written as a sum of positive squares in only one way, i.e., 4268356 + 52900 = 2066^2 + 230^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (4321259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270071 + ... + 270086.

Almost surely, 2^4321256 is an apocalyptic number.

It is an amenable number.

4321256 is a deficient number, since it is larger than the sum of its proper divisors (3781114).

4321256 is a wasteful number, since it uses less digits than its factorization.

4321256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540163 (or 540159 counting only the distinct ones).

The product of its digits is 1440, while the sum is 23.

The square root of 4321256 is about 2078.7630937651. The cubic root of 4321256 is about 162.8808393020.

The spelling of 4321256 in words is "four million, three hundred twenty-one thousand, two hundred fifty-six".