2999986 has 16 divisors (see below), whose sum is σ = 5168160. Its totient is φ = 1291680.

The previous prime is 2999957. The next prime is 2999999. The reversal of 2999986 is 6899992.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3171 + ... + 4006.

It is an arithmetic number, because the mean of its divisors is an integer number (323010).

2^2999986 is an apocalyptic number.

2999986 is a deficient number, since it is larger than the sum of its proper divisors (2168174).

2999986 is a wasteful number, since it uses less digits than its factorization.

2999986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7209.

The product of its digits is 629856, while the sum is 52.

The square root of 2999986 is about 1732.0467661123. The cubic root of 2999986 is about 144.2247326805.

The spelling of 2999986 in words is "two million, nine hundred ninety-nine thousand, nine hundred eighty-six".