2106993 has 8 divisors (see below), whose sum is σ = 3210688. Its totient is φ = 1203984.

The previous prime is 2106991. The next prime is 2107003. The reversal of 2106993 is 3996012.

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

It is not a de Polignac number, because 2106993 - 2¹ = 2106991 is a prime.

It is a Duffinian number.

2106993 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2106993.

It is not an unprimeable number, because it can be changed into a prime (2106991) 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, 50146 + ... + 50187.

It is an arithmetic number, because the mean of its divisors is an integer number (401336).

2^2106993 is an apocalyptic number.

It is an amenable number.

2106993 is a deficient number, since it is larger than the sum of its proper divisors (1103695).

2106993 is a wasteful number, since it uses less digits than its factorization.

2106993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100343.

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 2106993 is about 1451.5484835168. The cubic root of 2106993 is about 128.1999032972.

The spelling of 2106993 in words is "two million, one hundred six thousand, nine hundred ninety-three".