8324989 has 4 divisors (see below), whose sum is σ = 8346780. Its totient is φ = 8303200.

The previous prime is 8324923. The next prime is 8325007. The reversal of 8324989 is 9894238.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1863225 + 6461764 = 1365^2 + 2542^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8324989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8322989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10312 + ... + 11089.

It is an arithmetic number, because the mean of its divisors is an integer number (2086695).

Almost surely, 2^8324989 is an apocalyptic number.

It is an amenable number.

8324989 is a deficient number, since it is larger than the sum of its proper divisors (21791).

8324989 is a wasteful number, since it uses less digits than its factorization.

8324989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21790.

The product of its digits is 124416, while the sum is 43.

The square root of 8324989 is about 2885.3057030408. The cubic root of 8324989 is about 202.6723746926.

It can be divided in two parts, 83249 and 89, that added together give a palindrome (83338).

The spelling of 8324989 in words is "eight million, three hundred twenty-four thousand, nine hundred eighty-nine".