8922989 has 4 divisors (see below), whose sum is σ = 9392640. Its totient is φ = 8453340.

The previous prime is 8922967. The next prime is 8923003. The reversal of 8922989 is 9892298.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8922989 - 2⁸ = 8922733 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8922959) 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, 234797 + ... + 234834.

It is an arithmetic number, because the mean of its divisors is an integer number (2348160).

Almost surely, 2^8922989 is an apocalyptic number.

It is an amenable number.

8922989 is a deficient number, since it is larger than the sum of its proper divisors (469651).

8922989 is a wasteful number, since it uses less digits than its factorization.

8922989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469650.

The product of its digits is 186624, while the sum is 47.

The square root of 8922989 is about 2987.1372583127. The cubic root of 8922989 is about 207.4133881523.

The spelling of 8922989 in words is "eight million, nine hundred twenty-two thousand, nine hundred eighty-nine".