2669679 has 20 divisors (see below), whose sum is σ = 4164336. Its totient is φ = 1701216.

The previous prime is 2669669. The next prime is 2669687. The reversal of 2669679 is 9769662.

It is not a de Polignac number, because 2669679 - 2⁸ = 2669423 is a prime.

2669679 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2669659) 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 19 ways as a sum of consecutive naturals, for example, 1147 + ... + 2579.

2^2669679 is an apocalyptic number.

2669679 is a deficient number, since it is larger than the sum of its proper divisors (1494657).

2669679 is a wasteful number, since it uses less digits than its factorization.

2669679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1468 (or 1459 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 2669679 is about 1633.9152364795. The cubic root of 2669679 is about 138.7244511030.

The spelling of 2669679 in words is "two million, six hundred sixty-nine thousand, six hundred seventy-nine".