8986638 has 16 divisors (see below), whose sum is σ = 18012240. Its totient is φ = 2989056.

The previous prime is 8986573. The next prime is 8986657. The reversal of 8986638 is 8366898.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1998 + ... + 4686.

It is an arithmetic number, because the mean of its divisors is an integer number (1125765).

Almost surely, 2^8986638 is an apocalyptic number.

8986638 is an abundant number, since it is smaller than the sum of its proper divisors (9025602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8986638 is a wasteful number, since it uses less digits than its factorization.

8986638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3251.

The product of its digits is 497664, while the sum is 48.

The square root of 8986638 is about 2997.7721727977. The cubic root of 8986638 is about 207.9053902816.

The spelling of 8986638 in words is "eight million, nine hundred eighty-six thousand, six hundred thirty-eight".