2099930 has 32 divisors (see below), whose sum is σ = 4371840. Its totient is φ = 711360.

The previous prime is 2099927. The next prime is 2099939. The reversal of 2099930 is 399902.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2099939) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9056 + ... + 9284.

It is an arithmetic number, because the mean of its divisors is an integer number (136620).

2^2099930 is an apocalyptic number.

2099930 is an abundant number, since it is smaller than the sum of its proper divisors (2271910).

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

2099930 is a wasteful number, since it uses less digits than its factorization.

2099930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374.

The product of its (nonzero) digits is 4374, while the sum is 32.

The square root of 2099930 is about 1449.1135221231. The cubic root of 2099930 is about 128.0564936172.

The spelling of 2099930 in words is "two million, ninety-nine thousand, nine hundred thirty".