3040256 has 22 divisors (see below), whose sum is σ = 6079590. Its totient is φ = 1519616.

The previous prime is 3040249. The next prime is 3040267. The reversal of 3040256 is 6520403.

It can be written as a sum of positive squares in only one way, i.e., 1638400 + 1401856 = 1280^2 + 1184^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 461 + ... + 2508.

It is an arithmetic number, because the mean of its divisors is an integer number (276345).

Almost surely, 2^3040256 is an apocalyptic number.

It is an amenable number.

3040256 is a deficient number, since it is larger than the sum of its proper divisors (3039334).

3040256 is an equidigital number, since it uses as much as digits as its factorization.

3040256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2989 (or 2971 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 3040256 is about 1743.6329889056. The cubic root of 3040256 is about 144.8671950881.

Adding to 3040256 its reverse (6520403), we get a palindrome (9560659).

The spelling of 3040256 in words is "three million, forty thousand, two hundred fifty-six".