7986986 has 8 divisors (see below), whose sum is σ = 13692000. Its totient is φ = 3422988.

The previous prime is 7986959. The next prime is 7986997. The reversal of 7986986 is 6896897.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285236 + ... + 285263.

It is an arithmetic number, because the mean of its divisors is an integer number (1711500).

Almost surely, 2^7986986 is an apocalyptic number.

7986986 is a deficient number, since it is larger than the sum of its proper divisors (5705014).

7986986 is a wasteful number, since it uses less digits than its factorization.

7986986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570508.

The product of its digits is 1306368, while the sum is 53.

The square root of 7986986 is about 2826.1256164580. The cubic root of 7986986 is about 199.8914911398.

The spelling of 7986986 in words is "seven million, nine hundred eighty-six thousand, nine hundred eighty-six".