4989239 has 4 divisors (see below), whose sum is σ = 4994424. Its totient is φ = 4984056.

The previous prime is 4989221. The next prime is 4989277. The reversal of 4989239 is 9329894.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4989239 - 2⁸ = 4988983 is a prime.

It is a Duffinian number.

Its product of digits (139968) is a multiple of the sum of its prime divisors (5184).

It is a self number, because there is not a number n which added to its sum of digits gives 4989239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4989209) 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, 677 + ... + 3230.

It is an arithmetic number, because the mean of its divisors is an integer number (1248606).

Almost surely, 2^4989239 is an apocalyptic number.

4989239 is a deficient number, since it is larger than the sum of its proper divisors (5185).

4989239 is a wasteful number, since it uses less digits than its factorization.

4989239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5184.

The product of its digits is 139968, while the sum is 44.

The square root of 4989239 is about 2233.6604486806. The cubic root of 4989239 is about 170.8748328818.

The spelling of 4989239 in words is "four million, nine hundred eighty-nine thousand, two hundred thirty-nine".