4090256 has 10 divisors (see below), whose sum is σ = 7924902. Its totient is φ = 2045120.

The previous prime is 4090253. The next prime is 4090259. The reversal of 4090256 is 6520904.

4090256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (4090253) and next prime (4090259).

It can be written as a sum of positive squares in only one way, i.e., 2835856 + 1254400 = 1684^2 + 1120^2 .

It is not an unprimeable number, because it can be changed into a prime (4090253) 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 as a sum of consecutive naturals, namely, 127805 + ... + 127836.

Almost surely, 2^4090256 is an apocalyptic number.

It is an amenable number.

4090256 is a deficient number, since it is larger than the sum of its proper divisors (3834646).

4090256 is a wasteful number, since it uses less digits than its factorization.

4090256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255649 (or 255643 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 4090256 is about 2022.4381325519. The cubic root of 4090256 is about 159.9251733449.

The spelling of 4090256 in words is "four million, ninety thousand, two hundred fifty-six".