2079669 has 4 divisors (see below), whose sum is σ = 2772896. Its totient is φ = 1386444.

The previous prime is 2079653. The next prime is 2079709. The reversal of 2079669 is 9669702.

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 2079669 - 2⁴ = 2079653 is a prime.

It is a super-2 number, since 2×2079669² = 8650046299122, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2079629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 346609 + ... + 346614.

It is an arithmetic number, because the mean of its divisors is an integer number (693224).

2^2079669 is an apocalyptic number.

It is an amenable number.

2079669 is a deficient number, since it is larger than the sum of its proper divisors (693227).

2079669 is an equidigital number, since it uses as much as digits as its factorization.

2079669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693226.

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 2079669 is about 1442.1057520168. The cubic root of 2079669 is about 127.6433144355.

The spelling of 2079669 in words is "two million, seventy-nine thousand, six hundred sixty-nine".