8484639 has 8 divisors (see below), whose sum is σ = 11382912. Its totient is φ = 5621400.

The previous prime is 8484601. The next prime is 8484661. The reversal of 8484639 is 9364848.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8484639 - 2⁸ = 8484383 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8484639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8484689) 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 7 ways as a sum of consecutive naturals, for example, 8187 + ... + 9164.

It is an arithmetic number, because the mean of its divisors is an integer number (1422864).

Almost surely, 2^8484639 is an apocalyptic number.

8484639 is a deficient number, since it is larger than the sum of its proper divisors (2898273).

8484639 is a wasteful number, since it uses less digits than its factorization.

8484639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17517.

The product of its digits is 165888, while the sum is 42.

The square root of 8484639 is about 2912.8403663778. The cubic root of 8484639 is about 203.9597431136.

The spelling of 8484639 in words is "eight million, four hundred eighty-four thousand, six hundred thirty-nine".