2808986 has 8 divisors (see below), whose sum is σ = 4247040. Its totient is φ = 1393308.

The previous prime is 2808983. The next prime is 2808997. The reversal of 2808986 is 6898082.

It is a happy number.

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

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2808983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5276 + ... + 5783.

It is an arithmetic number, because the mean of its divisors is an integer number (530880).

2^2808986 is an apocalyptic number.

2808986 is a deficient number, since it is larger than the sum of its proper divisors (1438054).

2808986 is a wasteful number, since it uses less digits than its factorization.

2808986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11188.

The product of its (nonzero) digits is 55296, while the sum is 41.

The square root of 2808986 is about 1676.0029832909. The cubic root of 2808986 is about 141.0965922653.

The spelling of 2808986 in words is "two million, eight hundred eight thousand, nine hundred eighty-six".