2106699 has 16 divisors (see below), whose sum is σ = 3286272. Its totient is φ = 1175328.

The previous prime is 2106679. The next prime is 2106733. The reversal of 2106699 is 9966012.

It is a happy number.

It is not a de Polignac number, because 2106699 - 2¹⁷ = 1975627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2106619) 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, 264 + ... + 2069.

It is an arithmetic number, because the mean of its divisors is an integer number (205392).

2^2106699 is an apocalyptic number.

2106699 is a deficient number, since it is larger than the sum of its proper divisors (1179573).

2106699 is a wasteful number, since it uses less digits than its factorization.

2106699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2386.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 2106699 is about 1451.4472088230. The cubic root of 2106699 is about 128.1939402138.

The spelling of 2106699 in words is "two million, one hundred six thousand, six hundred ninety-nine".