2881206 has 24 divisors (see below), whose sum is σ = 6350760. Its totient is φ = 943776.

The previous prime is 2881183. The next prime is 2881243. The reversal of 2881206 is 6021882.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2881206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 295 + ... + 2418.

It is an arithmetic number, because the mean of its divisors is an integer number (264615).

2^2881206 is an apocalyptic number.

2881206 is an abundant number, since it is smaller than the sum of its proper divisors (3469554).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2881206 is a wasteful number, since it uses less digits than its factorization.

2881206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2780 (or 2777 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 2881206 is about 1697.4115588154. The cubic root of 2881206 is about 142.2955887292.

The spelling of 2881206 in words is "two million, eight hundred eighty-one thousand, two hundred six".