2099986 has 16 divisors (see below), whose sum is σ = 3660480. Its totient is φ = 884880.

The previous prime is 2099963. The next prime is 2100001. The reversal of 2099986 is 6899902.

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, 376 + ... + 2083.

It is an arithmetic number, because the mean of its divisors is an integer number (228780).

2^2099986 is an apocalyptic number.

2099986 is a deficient number, since it is larger than the sum of its proper divisors (1560494).

2099986 is a wasteful number, since it uses less digits than its factorization.

2099986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2529.

The product of its (nonzero) digits is 69984, while the sum is 43.

The square root of 2099986 is about 1449.1328441520. The cubic root of 2099986 is about 128.0576319250.

The spelling of 2099986 in words is "two million, ninety-nine thousand, nine hundred eighty-six".