2099396800 has 84 divisors (see below), whose sum is σ = 5291989416. Its totient is φ = 819251200.

The previous prime is 2099396777. The next prime is 2099396809. The reversal of 2099396800 is 86939902.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2099396809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49599 + ... + 81601.

It is an arithmetic number, because the mean of its divisors is an integer number (62999874).

Almost surely, 2^2099396800 is an apocalyptic number.

2099396800 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 2099396800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2645994708).

2099396800 is an abundant number, since it is smaller than the sum of its proper divisors (3192592616).

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

2099396800 is a wasteful number, since it uses less digits than its factorization.

2099396800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32066 (or 32051 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 46.

The square root of 2099396800 is about 45819.1750253101. The cubic root of 2099396800 is about 1280.4565428728.

The spelling of 2099396800 in words is "two billion, ninety-nine million, three hundred ninety-six thousand, eight hundred".