2806971 has 8 divisors (see below), whose sum is σ = 3785040. Its totient is φ = 1850112.

The previous prime is 2806963. The next prime is 2806987. The reversal of 2806971 is 1796082.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2806971 - 2³ = 2806963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2806961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4990 + ... + 5523.

It is an arithmetic number, because the mean of its divisors is an integer number (473130).

2^2806971 is an apocalyptic number.

2806971 is a deficient number, since it is larger than the sum of its proper divisors (978069).

2806971 is a wasteful number, since it uses less digits than its factorization.

2806971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10605.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 2806971 is about 1675.4017428665. The cubic root of 2806971 is about 141.0628460852.

The spelling of 2806971 in words is "two million, eight hundred six thousand, nine hundred seventy-one".