2856344 has 24 divisors (see below), whose sum is σ = 5511060. Its totient is φ = 1387584.

The previous prime is 2856283. The next prime is 2856349. The reversal of 2856344 is 4436582.

2856344 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2856344.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2856349) 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 in 5 ways as a sum of consecutive naturals, for example, 39092 + ... + 39164.

2^2856344 is an apocalyptic number.

It is an amenable number.

2856344 is a deficient number, since it is larger than the sum of its proper divisors (2654716).

2856344 is an equidigital number, since it uses as much as digits as its factorization.

2856344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219 (or 142 counting only the distinct ones).

The product of its digits is 23040, while the sum is 32.

The square root of 2856344 is about 1690.0721878074. The cubic root of 2856344 is about 141.8851150389.

The spelling of 2856344 in words is "two million, eight hundred fifty-six thousand, three hundred forty-four".