2840963 has 4 divisors (see below), whose sum is σ = 2845680. Its totient is φ = 2836248.

The previous prime is 2840951. The next prime is 2840987. The reversal of 2840963 is 3690482.

2840963 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2840963 - 2¹⁰ = 2839939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2840263) 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 in 3 ways as a sum of consecutive naturals, for example, 1295 + ... + 2712.

It is an arithmetic number, because the mean of its divisors is an integer number (711420).

2^2840963 is an apocalyptic number.

2840963 is a deficient number, since it is larger than the sum of its proper divisors (4717).

2840963 is an equidigital number, since it uses as much as digits as its factorization.

2840963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4716.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 2840963 is about 1685.5156481030. The cubic root of 2840963 is about 141.6299795812.

The spelling of 2840963 in words is "two million, eight hundred forty thousand, nine hundred sixty-three".