2256836 has 12 divisors (see below), whose sum is σ = 3985212. Its totient is φ = 1118208.

The previous prime is 2256827. The next prime is 2256841. The reversal of 2256836 is 6386522.

2256836 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 can be written as a sum of positive squares in 2 ways, for example, as 313600 + 1943236 = 560^2 + 1394^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a d-powerful number, because it can be written as 2¹¹ + 2²¹ + 5⁷ + 6 + 8⁵ + 3⁴ + 6⁶ .

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 3 ways as a sum of consecutive naturals, for example, 2045 + ... + 2948.

It is an arithmetic number, because the mean of its divisors is an integer number (332101).

2^2256836 is an apocalyptic number.

It is an amenable number.

2256836 is a deficient number, since it is larger than the sum of its proper divisors (1728376).

2256836 is a wasteful number, since it uses less digits than its factorization.

2256836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5110 (or 5108 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 2256836 is about 1502.2769385170. The cubic root of 2256836 is about 131.1696421185.

The spelling of 2256836 in words is "two million, two hundred fifty-six thousand, eight hundred thirty-six".