2099626 has 12 divisors (see below), whose sum is σ = 3209382. Its totient is φ = 1030176.

The previous prime is 2099623. The next prime is 2099627. The reversal of 2099626 is 6269902.

It can be written as a sum of positive squares in 3 ways, for example, as 2099601 + 25 = 1449^2 + 5^2 .

It is a d-powerful number, because it can be written as 2¹³ + 0 + 9² + 9³ + 6⁷ + 2¹⁷ + 6⁸ .

It is a junction number, because it is equal to n+sod(n) for n = 2099591 and 2099600.

It is not an unprimeable number, because it can be changed into a prime (2099623) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 10560 + ... + 10756.

2^2099626 is an apocalyptic number.

2099626 is a deficient number, since it is larger than the sum of its proper divisors (1109756).

2099626 is an equidigital number, since it uses as much as digits as its factorization.

2099626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345 (or 272 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 2099626 is about 1449.0086266134. The cubic root of 2099626 is about 128.0503138790.

The spelling of 2099626 in words is "two million, ninety-nine thousand, six hundred twenty-six".