2099648 has 28 divisors (see below), whose sum is σ = 4251960. Its totient is φ = 1028352.

The previous prime is 2099641. The next prime is 2099659. The reversal of 2099648 is 8469902.

It is a d-powerful number, because it can be written as 2²¹ + 0 + 9³ + 9³ + 6 + 4⁵ + 8 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2099641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3083 + ... + 3701.

2^2099648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2099648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2125980).

2099648 is an abundant number, since it is smaller than the sum of its proper divisors (2152312).

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

2099648 is an equidigital number, since it uses as much as digits as its factorization.

2099648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684 (or 674 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 2099648 is about 1449.0162179907. The cubic root of 2099648 is about 128.0507611169.

The spelling of 2099648 in words is "two million, ninety-nine thousand, six hundred forty-eight".