2106986 has 24 divisors (see below), whose sum is σ = 3845280. Its totient is φ = 845856.

The previous prime is 2106983. The next prime is 2106989. The reversal of 2106986 is 6896012.

It is an interprime number because it is at equal distance from previous prime (2106983) and next prime (2106989).

It is a d-powerful number, because it can be written as 2⁵ + 1 + 0 + 6⁴ + 9³ + 8⁷ + 6⁵ .

It is not an unprimeable number, because it can be changed into a prime (2106983) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23630 + ... + 23718.

It is an arithmetic number, because the mean of its divisors is an integer number (160220).

2^2106986 is an apocalyptic number.

2106986 is a deficient number, since it is larger than the sum of its proper divisors (1738294).

2106986 is an equidigital number, since it uses as much as digits as its factorization.

2106986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206 (or 117 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 2106986 is about 1451.5460722967. The cubic root of 2106986 is about 128.1997613254.

The spelling of 2106986 in words is "two million, one hundred six thousand, nine hundred eighty-six".