8009986 has 8 divisors (see below), whose sum is σ = 12029184. Its totient is φ = 4000260.

The previous prime is 8009977. The next prime is 8009987. The reversal of 8009986 is 6899008.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (8009987) 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, 391 + ... + 4021.

It is an arithmetic number, because the mean of its divisors is an integer number (1503648).

Almost surely, 2^8009986 is an apocalyptic number.

8009986 is a deficient number, since it is larger than the sum of its proper divisors (4019198).

8009986 is a wasteful number, since it uses less digits than its factorization.

8009986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4736.

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 8009986 is about 2830.1918662875. The cubic root of 8009986 is about 200.0831820656.

The spelling of 8009986 in words is "eight million, nine thousand, nine hundred eighty-six".