8989623 has 40 divisors (see below), whose sum is σ = 14374800. Its totient is φ = 5588352.

The previous prime is 8989621. The next prime is 8989627. The reversal of 8989623 is 3269898.

It is not a de Polignac number, because 8989623 - 2¹ = 8989621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8989621) 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 39 ways as a sum of consecutive naturals, for example, 100963 + ... + 101051.

It is an arithmetic number, because the mean of its divisors is an integer number (359370).

Almost surely, 2^8989623 is an apocalyptic number.

8989623 is a deficient number, since it is larger than the sum of its proper divisors (5385177).

8989623 is a wasteful number, since it uses less digits than its factorization.

8989623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173 (or 164 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 8989623 is about 2998.2700011840. The cubic root of 8989623 is about 207.9284070052.

The spelling of 8989623 in words is "eight million, nine hundred eighty-nine thousand, six hundred twenty-three".