2646893 has 2 divisors, whose sum is σ = 2646894. Its totient is φ = 2646892.

The previous prime is 2646887. The next prime is 2646901. The reversal of 2646893 is 3986462.

2646893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2569609 + 77284 = 1603^2 + 278^2 .

It is a cyclic number.

It is not a de Polignac number, because 2646893 - 2¹² = 2642797 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2646803) 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 as a sum of consecutive naturals, namely, 1323446 + 1323447.

It is an arithmetic number, because the mean of its divisors is an integer number (1323447).

2^2646893 is an apocalyptic number.

It is an amenable number.

2646893 is a deficient number, since it is larger than the sum of its proper divisors (1).

2646893 is an equidigital number, since it uses as much as digits as its factorization.

2646893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 38.

The square root of 2646893 is about 1626.9274722617. The cubic root of 2646893 is about 138.3286467985.

The spelling of 2646893 in words is "two million, six hundred forty-six thousand, eight hundred ninety-three".