2806964 has 6 divisors (see below), whose sum is σ = 4912194. Its totient is φ = 1403480.

The previous prime is 2806963. The next prime is 2806987. The reversal of 2806964 is 4696082.

2806964 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2274064 + 532900 = 1508^2 + 730^2 .

It is a congruent number.

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 (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350867 + ... + 350874.

It is an arithmetic number, because the mean of its divisors is an integer number (818699).

2^2806964 is an apocalyptic number.

It is an amenable number.

2806964 is a deficient number, since it is larger than the sum of its proper divisors (2105230).

2806964 is a wasteful number, since it uses less digits than its factorization.

2806964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701745 (or 701743 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 2806964 is about 1675.3996538140. The cubic root of 2806964 is about 141.0627288246.

The spelling of 2806964 in words is "two million, eight hundred six thousand, nine hundred sixty-four".