4989983 has 8 divisors (see below), whose sum is σ = 5111280. Its totient is φ = 4870080.

The previous prime is 4989979. The next prime is 4989991. The reversal of 4989983 is 3899894.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4989983 - 2² = 4989979 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 (4989953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10691 + ... + 11147.

It is an arithmetic number, because the mean of its divisors is an integer number (638910).

Almost surely, 2^4989983 is an apocalyptic number.

4989983 is a deficient number, since it is larger than the sum of its proper divisors (121297).

4989983 is a wasteful number, since it uses less digits than its factorization.

4989983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697.

The product of its digits is 559872, while the sum is 50.

The square root of 4989983 is about 2233.8269852430. The cubic root of 4989983 is about 170.8833261314.

The spelling of 4989983 in words is "four million, nine hundred eighty-nine thousand, nine hundred eighty-three".