4989399 has 4 divisors (see below), whose sum is σ = 6652536. Its totient is φ = 3326264.

The previous prime is 4989377. The next prime is 4989409. The reversal of 4989399 is 9939894.

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

It is a cyclic number.

It is not a de Polignac number, because 4989399 - 2¹¹ = 4987351 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4989349) 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 3 ways as a sum of consecutive naturals, for example, 831564 + ... + 831569.

It is an arithmetic number, because the mean of its divisors is an integer number (1663134).

Almost surely, 2^4989399 is an apocalyptic number.

4989399 is a deficient number, since it is larger than the sum of its proper divisors (1663137).

4989399 is a wasteful number, since it uses less digits than its factorization.

4989399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1663136.

The product of its digits is 629856, while the sum is 51.

The square root of 4989399 is about 2233.6962640431. The cubic root of 4989399 is about 170.8766594583.

The spelling of 4989399 in words is "four million, nine hundred eighty-nine thousand, three hundred ninety-nine".