2263863 has 16 divisors (see below), whose sum is σ = 3503360. Its totient is φ = 1273536.

The previous prime is 2263861. The next prime is 2263879. The reversal of 2263863 is 3683622.

2263863 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2263863 - 2¹ = 2263861 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2263863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2263861) 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 15 ways as a sum of consecutive naturals, for example, 603 + ... + 2211.

It is an arithmetic number, because the mean of its divisors is an integer number (218960).

2^2263863 is an apocalyptic number.

2263863 is a deficient number, since it is larger than the sum of its proper divisors (1239497).

2263863 is a wasteful number, since it uses less digits than its factorization.

2263863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1686.

The product of its digits is 10368, while the sum is 30.

The square root of 2263863 is about 1504.6139039634. The cubic root of 2263863 is about 131.3056399017.

The spelling of 2263863 in words is "two million, two hundred sixty-three thousand, eight hundred sixty-three".