4405863 has 16 divisors (see below), whose sum is σ = 7324416. Its totient is φ = 2288640.

The previous prime is 4405831. The next prime is 4405867. The reversal of 4405863 is 3685044.

4405863 is digitally balanced in base 4 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4405863 - 2⁵ = 4405831 is a prime.

4405863 is strictly pandigital in base 8.

It is a self number, because there is not a number n which added to its sum of digits gives 4405863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4405867) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9306 + ... + 9767.

It is an arithmetic number, because the mean of its divisors is an integer number (457776).

Almost surely, 2^4405863 is an apocalyptic number.

4405863 is a deficient number, since it is larger than the sum of its proper divisors (2918553).

4405863 is a wasteful number, since it uses less digits than its factorization.

4405863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19094.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 4405863 is about 2099.0147688856. The cubic root of 4405863 is about 163.9370048558.

The spelling of 4405863 in words is "four million, four hundred five thousand, eight hundred sixty-three".