3256778 has 16 divisors (see below), whose sum is σ = 5607360. Its totient is φ = 1389696.

The previous prime is 3256739. The next prime is 3256789. The reversal of 3256778 is 8776523.

It is a happy number.

3256778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4613 + ... + 5271.

It is an arithmetic number, because the mean of its divisors is an integer number (350460).

Almost surely, 2^3256778 is an apocalyptic number.

3256778 is a deficient number, since it is larger than the sum of its proper divisors (2350582).

3256778 is a wasteful number, since it uses less digits than its factorization.

3256778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021.

The product of its digits is 70560, while the sum is 38.

The square root of 3256778 is about 1804.6545375778. The cubic root of 3256778 is about 148.2277052431.

The spelling of 3256778 in words is "three million, two hundred fifty-six thousand, seven hundred seventy-eight".