2303856 has 40 divisors (see below), whose sum is σ = 6614160. Its totient is φ = 767808.

The previous prime is 2303849. The next prime is 2303867. The reversal of 2303856 is 6583032.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2235 + ... + 3098.

It is an arithmetic number, because the mean of its divisors is an integer number (165354).

2^2303856 is an apocalyptic number.

It is an amenable number.

2303856 is an abundant number, since it is smaller than the sum of its proper divisors (4310304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2303856 is a wasteful number, since it uses less digits than its factorization.

2303856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5350 (or 5338 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 2303856 is about 1517.8458419747. The cubic root of 2303856 is about 132.0743382924.

Adding to 2303856 its reverse (6583032), we get a palindrome (8886888).

The spelling of 2303856 in words is "two million, three hundred three thousand, eight hundred fifty-six".