2099830 has 8 divisors (see below), whose sum is σ = 3779712. Its totient is φ = 839928.

The previous prime is 2099827. The next prime is 2099837. The reversal of 2099830 is 389902.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2099792 and 2099801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2099837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104982 + ... + 105001.

It is an arithmetic number, because the mean of its divisors is an integer number (472464).

2^2099830 is an apocalyptic number.

2099830 is a deficient number, since it is larger than the sum of its proper divisors (1679882).

2099830 is a wasteful number, since it uses less digits than its factorization.

2099830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209990.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 2099830 is about 1449.0790178593. The cubic root of 2099830 is about 128.0544608744.

The spelling of 2099830 in words is "two million, ninety-nine thousand, eight hundred thirty".