8914989 has 4 divisors (see below), whose sum is σ = 11886656. Its totient is φ = 5943324.

The previous prime is 8914981. The next prime is 8914993. The reversal of 8914989 is 9894198.

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 not a de Polignac number, because 8914989 - 2³ = 8914981 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 (8914981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1485829 + ... + 1485834.

It is an arithmetic number, because the mean of its divisors is an integer number (2971664).

Almost surely, 2^8914989 is an apocalyptic number.

It is an amenable number.

8914989 is a deficient number, since it is larger than the sum of its proper divisors (2971667).

8914989 is a wasteful number, since it uses less digits than its factorization.

8914989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2971666.

The product of its digits is 186624, while the sum is 48.

The square root of 8914989 is about 2985.7978833136. The cubic root of 8914989 is about 207.3513833972.

The spelling of 8914989 in words is "eight million, nine hundred fourteen thousand, nine hundred eighty-nine".