2011679 has 4 divisors (see below), whose sum is σ = 2019120. Its totient is φ = 2004240.

The previous prime is 2011673. The next prime is 2011697. The reversal of 2011679 is 9761102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2011679 - 2²⁰ = 963103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3299 + ... + 3860.

It is an arithmetic number, because the mean of its divisors is an integer number (504780).

2^2011679 is an apocalyptic number.

2011679 is a deficient number, since it is larger than the sum of its proper divisors (7441).

2011679 is an equidigital number, since it uses as much as digits as its factorization.

2011679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7440.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 2011679 is about 1418.3367019153. The cubic root of 2011679 is about 126.2368727978.

The spelling of 2011679 in words is "two million, eleven thousand, six hundred seventy-nine".