2099760 has 80 divisors (see below), whose sum is σ = 7020384. Its totient is φ = 516096.

The previous prime is 2099749. The next prime is 2099761. The reversal of 2099760 is 679902.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (2099761) 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, 2784 + ... + 3456.

2^2099760 is an apocalyptic number.

2099760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2099760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3510192).

2099760 is an abundant number, since it is smaller than the sum of its proper divisors (4920624).

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

2099760 is a wasteful number, since it uses less digits than its factorization.

2099760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702 (or 696 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 2099760 is about 1449.0548643857. The cubic root of 2099760 is about 128.0530379161.

The spelling of 2099760 in words is "two million, ninety-nine thousand, seven hundred sixty".