2808964 has 12 divisors (see below), whose sum is σ = 4962384. Its totient is φ = 1391144.

The previous prime is 2808959. The next prime is 2808977. The reversal of 2808964 is 4698082.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2854 + ... + 3709.

It is an arithmetic number, because the mean of its divisors is an integer number (413532).

2^2808964 is an apocalyptic number.

It is an amenable number.

2808964 is a deficient number, since it is larger than the sum of its proper divisors (2153420).

2808964 is a wasteful number, since it uses less digits than its factorization.

2808964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6674 (or 6672 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 2808964 is about 1675.9964200439. The cubic root of 2808964 is about 141.0962239078.

It can be divided in two parts, 280896 and 4, that added together give a square (280900 = 530²).

The spelling of 2808964 in words is "two million, eight hundred eight thousand, nine hundred sixty-four".