2099682 has 40 divisors (see below), whose sum is σ = 5071836. Its totient is φ = 645408.

The previous prime is 2099677. The next prime is 2099707. The reversal of 2099682 is 2869902.

It can be written as a sum of positive squares in 2 ways, for example, as 2099601 + 81 = 1449^2 + 9^2 .

It is a super-2 number, since 2×2099682² = 8817329002248, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1608 + ... + 2604.

2^2099682 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2099682, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2535918).

2099682 is an abundant number, since it is smaller than the sum of its proper divisors (2972154).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2099682 is a wasteful number, since it uses less digits than its factorization.

2099682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024 (or 1015 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 2099682 is about 1449.0279500410. The cubic root of 2099682 is about 128.0514522967.

The spelling of 2099682 in words is "two million, ninety-nine thousand, six hundred eighty-two".