2099244 has 48 divisors (see below), whose sum is σ = 5696768. Its totient is φ = 589248.

The previous prime is 2099221. The next prime is 2099249. The reversal of 2099244 is 4429902.

It is a d-powerful number, because it can be written as 2 + 0 + 9² + 9³ + 2²¹ + 4⁴ + 4⁵ .

It is not an unprimeable number, because it can be changed into a prime (2099249) 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 15 ways as a sum of consecutive naturals, for example, 5442 + ... + 5814.

2^2099244 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 2099244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2848384).

2099244 is an abundant number, since it is smaller than the sum of its proper divisors (3597524).

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

2099244 is a wasteful number, since it uses less digits than its factorization.

2099244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454 (or 452 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 2099244 is about 1448.8768063573. The cubic root of 2099244 is about 128.0425477044.

It can be divided in two parts, 209 and 9244, that added together give a triangular number (9453 = T₁₃₇).

The spelling of 2099244 in words is "two million, ninety-nine thousand, two hundred forty-four".