8484989 has 4 divisors (see below), whose sum is σ = 8984124. Its totient is φ = 7985856.

The previous prime is 8484961. The next prime is 8485003. The reversal of 8484989 is 9894848.

It is a happy number.

8484989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2748964 + 5736025 = 1658^2 + 2395^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8484989 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 (8484589) 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, 249542 + ... + 249575.

It is an arithmetic number, because the mean of its divisors is an integer number (2246031).

Almost surely, 2^8484989 is an apocalyptic number.

It is an amenable number.

8484989 is a deficient number, since it is larger than the sum of its proper divisors (499135).

8484989 is a wasteful number, since it uses less digits than its factorization.

8484989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499134.

The product of its digits is 663552, while the sum is 50.

The square root of 8484989 is about 2912.9004445741. The cubic root of 8484989 is about 203.9625475908.

The spelling of 8484989 in words is "eight million, four hundred eighty-four thousand, nine hundred eighty-nine".