4989689 has 8 divisors (see below), whose sum is σ = 5296320. Its totient is φ = 4690576.

The previous prime is 4989641. The next prime is 4989697. The reversal of 4989689 is 9869894.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4989689 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4989689.

It is not an unprimeable number, because it can be changed into a prime (4983689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 482 + ... + 3195.

It is an arithmetic number, because the mean of its divisors is an integer number (662040).

Almost surely, 2^4989689 is an apocalyptic number.

It is an amenable number.

4989689 is a deficient number, since it is larger than the sum of its proper divisors (306631).

4989689 is a wasteful number, since it uses less digits than its factorization.

4989689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3759.

The product of its digits is 1119744, while the sum is 53.

The square root of 4989689 is about 2233.7611779239. The cubic root of 4989689 is about 170.8799700288.

The spelling of 4989689 in words is "four million, nine hundred eighty-nine thousand, six hundred eighty-nine".