2116677 has 4 divisors (see below), whose sum is σ = 2822240. Its totient is φ = 1411116.

The previous prime is 2116669. The next prime is 2116679. The reversal of 2116677 is 7766112.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2116677 - 2³ = 2116669 is a prime.

It is a D-number.

It is a Duffinian number.

2116677 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2116679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352777 + ... + 352782.

It is an arithmetic number, because the mean of its divisors is an integer number (705560).

2^2116677 is an apocalyptic number.

It is an amenable number.

2116677 is a deficient number, since it is larger than the sum of its proper divisors (705563).

2116677 is an equidigital number, since it uses as much as digits as its factorization.

2116677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705562.

The product of its digits is 3528, while the sum is 30.

The square root of 2116677 is about 1454.8804074562. The cubic root of 2116677 is about 128.3960106873.

The spelling of 2116677 in words is "two million, one hundred sixteen thousand, six hundred seventy-seven".