2320256 has 16 divisors (see below), whose sum is σ = 4622640. Its totient is φ = 1160064.

The previous prime is 2320247. The next prime is 2320259. The reversal of 2320256 is 6520232.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2320259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8936 + ... + 9191.

It is an arithmetic number, because the mean of its divisors is an integer number (288915).

2^2320256 is an apocalyptic number.

It is an amenable number.

2320256 is a deficient number, since it is larger than the sum of its proper divisors (2302384).

2320256 is an equidigital number, since it uses as much as digits as its factorization.

2320256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18141 (or 18129 counting only the distinct ones).

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

The square root of 2320256 is about 1523.2386549717. The cubic root of 2320256 is about 132.3869880088.

Adding to 2320256 its reverse (6520232), we get a palindrome (8840488).

The spelling of 2320256 in words is "two million, three hundred twenty thousand, two hundred fifty-six".