2099867 has 8 divisors (see below), whose sum is σ = 2618112. Its totient is φ = 1636200.

The previous prime is 2099863. The next prime is 2099887. The reversal of 2099867 is 7689902.

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

It is a cyclic number.

It is not a de Polignac number, because 2099867 - 2² = 2099863 is a prime.

It is a d-powerful number, because it can be written as 2²¹ + 0 + 9 + 9² + 8 + 6³ + 7⁴ .

It is not an unprimeable number, because it can be changed into a prime (2099863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13559 + ... + 13712.

It is an arithmetic number, because the mean of its divisors is an integer number (327264).

2^2099867 is an apocalyptic number.

2099867 is a deficient number, since it is larger than the sum of its proper divisors (518245).

2099867 is a wasteful number, since it uses less digits than its factorization.

2099867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27289.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 2099867 is about 1449.0917845326. The cubic root of 2099867 is about 128.0552129968.

The spelling of 2099867 in words is "two million, ninety-nine thousand, eight hundred sixty-seven".