2806963 has 2 divisors, whose sum is σ = 2806964. Its totient is φ = 2806962.

The previous prime is 2806961. The next prime is 2806987. The reversal of 2806963 is 3696082.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2806963 - 2¹ = 2806961 is a prime.

Together with 2806961, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2806961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1403481 + 1403482.

It is an arithmetic number, because the mean of its divisors is an integer number (1403482).

2^2806963 is an apocalyptic number.

2806963 is a deficient number, since it is larger than the sum of its proper divisors (1).

2806963 is an equidigital number, since it uses as much as digits as its factorization.

2806963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 2806963 is about 1675.3993553777. The cubic root of 2806963 is about 141.0627120731.

The spelling of 2806963 in words is "two million, eight hundred six thousand, nine hundred sixty-three".