2966665 has 8 divisors (see below), whose sum is σ = 3833928. Its totient is φ = 2190720.

The previous prime is 2966659. The next prime is 2966681. The reversal of 2966665 is 5666692.

It can be written as a sum of positive squares in 4 ways, for example, as 35721 + 2930944 = 189^2 + 1712^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2966665 - 2³ = 2966657 is a prime.

It is a super-2 number, since 2×2966665² = 17602202444450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22756 + ... + 22885.

It is an arithmetic number, because the mean of its divisors is an integer number (479241).

2^2966665 is an apocalyptic number.

It is an amenable number.

2966665 is a deficient number, since it is larger than the sum of its proper divisors (867263).

2966665 is a wasteful number, since it uses less digits than its factorization.

2966665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45659.

The product of its digits is 116640, while the sum is 40.

The square root of 2966665 is about 1722.4009405478. The cubic root of 2966665 is about 143.6887729172.

The spelling of 2966665 in words is "two million, nine hundred sixty-six thousand, six hundred sixty-five".