4321863 has 32 divisors (see below), whose sum is σ = 7884800. Its totient is φ = 2278368.

The previous prime is 4321831. The next prime is 4321871. The reversal of 4321863 is 3681234.

It is a happy number.

It is not a de Polignac number, because 4321863 - 2⁵ = 4321831 is a prime.

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

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4321813) 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 31 ways as a sum of consecutive naturals, for example, 1578 + ... + 3336.

It is an arithmetic number, because the mean of its divisors is an integer number (246400).

Almost surely, 2^4321863 is an apocalyptic number.

4321863 is a deficient number, since it is larger than the sum of its proper divisors (3562937).

4321863 is a wasteful number, since it uses less digits than its factorization.

4321863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1788 (or 1782 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 4321863 is about 2078.9090889214. The cubic root of 4321863 is about 162.8884654830. Note that the first 3 decimals are identical.

It can be divided in two parts, 4321 and 863, that added together give a square (5184 = 72²).

The spelling of 4321863 in words is "four million, three hundred twenty-one thousand, eight hundred sixty-three".