4256378 has 16 divisors (see below), whose sum is σ = 7421760. Its totient is φ = 1792896.

The previous prime is 4256347. The next prime is 4256381. The reversal of 4256378 is 8736524.

It is a happy number.

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, 1751 + ... + 3402.

It is an arithmetic number, because the mean of its divisors is an integer number (463860).

Almost surely, 2^4256378 is an apocalyptic number.

4256378 is a deficient number, since it is larger than the sum of its proper divisors (3165382).

4256378 is a wasteful number, since it uses less digits than its factorization.

4256378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5221.

The product of its digits is 40320, while the sum is 35.

The square root of 4256378 is about 2063.0991251028. The cubic root of 4256378 is about 162.0615779725.

The spelling of 4256378 in words is "four million, two hundred fifty-six thousand, three hundred seventy-eight".