2641679 has 4 divisors (see below), whose sum is σ = 2691576. Its totient is φ = 2591784.

The previous prime is 2641669. The next prime is 2641687. The reversal of 2641679 is 9761462.

2641679 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2641679 - 2⁴ = 2641663 is a prime.

It is a d-powerful number, because it can be written as 2²¹ + 6² + 4⁹ + 1 + 6⁷ + 7⁴ + 9 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2641649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24869 + ... + 24974.

It is an arithmetic number, because the mean of its divisors is an integer number (672894).

2^2641679 is an apocalyptic number.

2641679 is a deficient number, since it is larger than the sum of its proper divisors (49897).

2641679 is an equidigital number, since it uses as much as digits as its factorization.

2641679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49896.

The product of its digits is 18144, while the sum is 35.

The square root of 2641679 is about 1625.3242753371. The cubic root of 2641679 is about 138.2377578875.

The spelling of 2641679 in words is "two million, six hundred forty-one thousand, six hundred seventy-nine".