4989899 has 4 divisors (see below), whose sum is σ = 5009136. Its totient is φ = 4970664.

The previous prime is 4989863. The next prime is 4989917. The reversal of 4989899 is 9989894.

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 4989899 - 2¹² = 4985803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4989199) 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, 9224 + ... + 9749.

It is an arithmetic number, because the mean of its divisors is an integer number (1252284).

Almost surely, 2^4989899 is an apocalyptic number.

4989899 is a deficient number, since it is larger than the sum of its proper divisors (19237).

4989899 is a wasteful number, since it uses less digits than its factorization.

4989899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19236.

The product of its digits is 1679616, while the sum is 56.

The square root of 4989899 is about 2233.8081833497. The cubic root of 4989899 is about 170.8823672584.

The spelling of 4989899 in words is "four million, nine hundred eighty-nine thousand, eight hundred ninety-nine".