2966681 has 2 divisors, whose sum is σ = 2966682. Its totient is φ = 2966680.

The previous prime is 2966659. The next prime is 2966713. The reversal of 2966681 is 1866692.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2958400 + 8281 = 1720^2 + 91^2 .

It is a cyclic number.

It is not a de Polignac number, because 2966681 - 2⁶ = 2966617 is a prime.

It is a super-2 number, since 2×2966681² = 17602392311522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2966651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1483340 + 1483341.

It is an arithmetic number, because the mean of its divisors is an integer number (1483341).

2^2966681 is an apocalyptic number.

It is an amenable number.

2966681 is a deficient number, since it is larger than the sum of its proper divisors (1).

2966681 is an equidigital number, since it uses as much as digits as its factorization.

2966681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 38.

The square root of 2966681 is about 1722.4055852209. The cubic root of 2966681 is about 143.6890312338.

The spelling of 2966681 in words is "two million, nine hundred sixty-six thousand, six hundred eighty-one".