8061986 has 4 divisors (see below), whose sum is σ = 12092982. Its totient is φ = 4030992.

The previous prime is 8061931. The next prime is 8061997. The reversal of 8061986 is 6891608.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7187761 + 874225 = 2681^2 + 935^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2015495 + ... + 2015498.

Almost surely, 2^8061986 is an apocalyptic number.

8061986 is a deficient number, since it is larger than the sum of its proper divisors (4030996).

8061986 is a wasteful number, since it uses less digits than its factorization.

8061986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4030995.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 8061986 is about 2839.3636611044. The cubic root of 8061986 is about 200.5152215938.

The spelling of 8061986 in words is "eight million, sixty-one thousand, nine hundred eighty-six".