2116899 has 6 divisors (see below), whose sum is σ = 3057756. Its totient is φ = 1411260.

The previous prime is 2116867. The next prime is 2116901. The reversal of 2116899 is 9986112.

It is not a de Polignac number, because 2116899 - 2⁵ = 2116867 is a prime.

It is a super-2 number, since 2×2116899² = 8962522752402, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2116099) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 117597 + ... + 117614.

It is an arithmetic number, because the mean of its divisors is an integer number (509626).

2^2116899 is an apocalyptic number.

2116899 is a deficient number, since it is larger than the sum of its proper divisors (940857).

2116899 is a wasteful number, since it uses less digits than its factorization.

2116899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235217 (or 235214 counting only the distinct ones).

The product of its digits is 7776, while the sum is 36.

The square root of 2116899 is about 1454.9567003866. The cubic root of 2116899 is about 128.4004993139.

The spelling of 2116899 in words is "two million, one hundred sixteen thousand, eight hundred ninety-nine".