8928989 has 8 divisors (see below), whose sum is σ = 9074688. Its totient is φ = 8784720.

The previous prime is 8928979. The next prime is 8929003. The reversal of 8928989 is 9898298.

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

It is a cyclic number.

It is not a de Polignac number, because 8928989 - 2¹² = 8924893 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 8928989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8928929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20999 + ... + 21419.

It is an arithmetic number, because the mean of its divisors is an integer number (1134336).

Almost surely, 2^8928989 is an apocalyptic number.

It is an amenable number.

8928989 is a deficient number, since it is larger than the sum of its proper divisors (145699).

8928989 is a wasteful number, since it uses less digits than its factorization.

8928989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715.

The product of its digits is 746496, while the sum is 53.

The square root of 8928989 is about 2988.1413955835. The cubic root of 8928989 is about 207.4598674018.

The spelling of 8928989 in words is "eight million, nine hundred twenty-eight thousand, nine hundred eighty-nine".