4399983 has 24 divisors (see below), whose sum is σ = 7319936. Its totient is φ = 2494800.

The previous prime is 4399973. The next prime is 4399987. The reversal of 4399983 is 3899934.

It is not a de Polignac number, because 4399983 - 2⁹ = 4399471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4399987) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13128 + ... + 13458.

Almost surely, 2^4399983 is an apocalyptic number.

4399983 is a deficient number, since it is larger than the sum of its proper divisors (2919953).

4399983 is a wasteful number, since it uses less digits than its factorization.

4399983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555 (or 552 counting only the distinct ones).

The product of its digits is 209952, while the sum is 45.

The square root of 4399983 is about 2097.6136441204. The cubic root of 4399983 is about 163.8640430826.

The spelling of 4399983 in words is "four million, three hundred ninety-nine thousand, nine hundred eighty-three".