2079667 has 4 divisors (see below), whose sum is σ = 2118960. Its totient is φ = 2040376.

The previous prime is 2079653. The next prime is 2079709. The reversal of 2079667 is 7669702.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7669702 = 2 ⋅3834851.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2079667 is a prime.

It is an Ulam number.

It is a Duffinian number.

2079667 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2079617) 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, 19567 + ... + 19672.

It is an arithmetic number, because the mean of its divisors is an integer number (529740).

2^2079667 is an apocalyptic number.

2079667 is a deficient number, since it is larger than the sum of its proper divisors (39293).

2079667 is an equidigital number, since it uses as much as digits as its factorization.

2079667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39292.

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 2079667 is about 1442.1050585862. The cubic root of 2079667 is about 127.6432735177.

The spelling of 2079667 in words is "two million, seventy-nine thousand, six hundred sixty-seven".