3066665 has 12 divisors (see below), whose sum is σ = 4281156. Its totient is φ = 2102688.

The previous prime is 3066649. The next prime is 3066689. The reversal of 3066665 is 5666603.

It can be written as a sum of positive squares in 2 ways, for example, as 2119936 + 946729 = 1456^2 + 973^2 .

It is not a de Polignac number, because 3066665 - 2⁴ = 3066649 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6014 + ... + 6503.

It is an arithmetic number, because the mean of its divisors is an integer number (356763).

Almost surely, 2^3066665 is an apocalyptic number.

3066665 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3066665 is a deficient number, since it is larger than the sum of its proper divisors (1214491).

3066665 is a wasteful number, since it uses less digits than its factorization.

3066665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12536 (or 12529 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 3066665 is about 1751.1895956749. The cubic root of 3066665 is about 145.2854464224.

The spelling of 3066665 in words is "three million, sixty-six thousand, six hundred sixty-five".