8929989 has 12 divisors (see below), whose sum is σ = 12986272. Its totient is φ = 5913000.

The previous prime is 8929969. The next prime is 8930011. The reversal of 8929989 is 9899298.

8929989 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8929989 - 2⁸ = 8929733 is a prime.

It is a Duffinian number.

8929989 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8929909) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1927 + ... + 4644.

Almost surely, 2^8929989 is an apocalyptic number.

It is an amenable number.

8929989 is a deficient number, since it is larger than the sum of its proper divisors (4056283).

8929989 is a wasteful number, since it uses less digits than its factorization.

8929989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6728 (or 6725 counting only the distinct ones).

The product of its digits is 839808, while the sum is 54.

The square root of 8929989 is about 2988.3087189914. The cubic root of 8929989 is about 207.4676119188.

The spelling of 8929989 in words is "eight million, nine hundred twenty-nine thousand, nine hundred eighty-nine".