2772806 has 8 divisors (see below), whose sum is σ = 4302720. Its totient is φ = 1338568.

The previous prime is 2772767. The next prime is 2772827. The reversal of 2772806 is 6082772.

2772806 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×2772806² = 15376906227272, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 23846 + ... + 23961.

It is an arithmetic number, because the mean of its divisors is an integer number (537840).

2^2772806 is an apocalyptic number.

2772806 is a deficient number, since it is larger than the sum of its proper divisors (1529914).

2772806 is a wasteful number, since it uses less digits than its factorization.

2772806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47838.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 2772806 is about 1665.1744653339. The cubic root of 2772806 is about 140.4881936019.

The spelling of 2772806 in words is "two million, seven hundred seventy-two thousand, eight hundred six".