2679665 has 16 divisors (see below), whose sum is σ = 3443520. Its totient is φ = 1995840.

The previous prime is 2679653. The next prime is 2679667. The reversal of 2679665 is 5669762.

2679665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2679665 - 2¹⁸ = 2417521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2679667) 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 15 ways as a sum of consecutive naturals, for example, 6155 + ... + 6575.

It is an arithmetic number, because the mean of its divisors is an integer number (215220).

2^2679665 is an apocalyptic number.

It is an amenable number.

2679665 is a deficient number, since it is larger than the sum of its proper divisors (763855).

2679665 is a wasteful number, since it uses less digits than its factorization.

2679665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512.

The product of its digits is 136080, while the sum is 41.

The square root of 2679665 is about 1636.9682342672. The cubic root of 2679665 is about 138.8972032949.

The spelling of 2679665 in words is "two million, six hundred seventy-nine thousand, six hundred sixty-five".