2809882 has 8 divisors (see below), whose sum is σ = 4265856. Its totient is φ = 1387932.

The previous prime is 2809867. The next prime is 2809883. The reversal of 2809882 is 2889082.

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

It is not an unprimeable number, because it can be changed into a prime (2809883) 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, 8298 + ... + 8629.

It is an arithmetic number, because the mean of its divisors is an integer number (533232).

2^2809882 is an apocalyptic number.

2809882 is a deficient number, since it is larger than the sum of its proper divisors (1455974).

2809882 is a wasteful number, since it uses less digits than its factorization.

2809882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17012.

The product of its (nonzero) digits is 18432, while the sum is 37.

The square root of 2809882 is about 1676.2702646053. The cubic root of 2809882 is about 141.1115928275. Note that the first 3 decimals are identical.

The spelling of 2809882 in words is "two million, eight hundred nine thousand, eight hundred eighty-two".