4431963 has 4 divisors (see below), whose sum is σ = 5909288. Its totient is φ = 2954640.

The previous prime is 4431961. The next prime is 4431989. The reversal of 4431963 is 3691344.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 4431963 - 2¹ = 4431961 is a prime.

It is a D-number.

It is a Duffinian number.

It is a plaindrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 4431963.

It is not an unprimeable number, because it can be changed into a prime (4431961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 738658 + ... + 738663.

It is an arithmetic number, because the mean of its divisors is an integer number (1477322).

Almost surely, 2^4431963 is an apocalyptic number.

4431963 is a deficient number, since it is larger than the sum of its proper divisors (1477325).

4431963 is a wasteful number, since it uses less digits than its factorization.

4431963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1477324.

The product of its digits is 7776, while the sum is 30.

The square root of 4431963 is about 2105.2227910604. Note that the first 3 decimals coincide. The cubic root of 4431963 is about 164.2600845426.

The spelling of 4431963 in words is "four million, four hundred thirty-one thousand, nine hundred sixty-three".