8069986 has 8 divisors (see below), whose sum is σ = 12241260. Its totient is φ = 3989568.

The previous prime is 8069983. The next prime is 8070011. The reversal of 8069986 is 6899608.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8037225 + 32761 = 2835^2 + 181^2 .

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 (8069983) 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, 22491 + ... + 22846.

Almost surely, 2^8069986 is an apocalyptic number.

8069986 is a deficient number, since it is larger than the sum of its proper divisors (4171274).

8069986 is a wasteful number, since it uses less digits than its factorization.

8069986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45428.

The product of its (nonzero) digits is 186624, while the sum is 46.

The square root of 8069986 is about 2840.7720781506. The cubic root of 8069986 is about 200.5815241760.

The spelling of 8069986 in words is "eight million, sixty-nine thousand, nine hundred eighty-six".