2646967 has 2 divisors, whose sum is σ = 2646968. Its totient is φ = 2646966.

The previous prime is 2646937. The next prime is 2646983. The reversal of 2646967 is 7696462.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2646967 - 2¹¹ = 2644919 is a prime.

2646967 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2646937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1323483 + 1323484.

It is an arithmetic number, because the mean of its divisors is an integer number (1323484).

2^2646967 is an apocalyptic number.

2646967 is a deficient number, since it is larger than the sum of its proper divisors (1).

2646967 is an equidigital number, since it uses as much as digits as its factorization.

2646967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 40.

The square root of 2646967 is about 1626.9502143581. The cubic root of 2646967 is about 138.3299358853.

The spelling of 2646967 in words is "two million, six hundred forty-six thousand, nine hundred sixty-seven".