2772906 has 16 divisors (see below), whose sum is σ = 5664384. Its totient is φ = 904544.

The previous prime is 2772901. The next prime is 2772923. The reversal of 2772906 is 6092772.

It is not an unprimeable number, because it can be changed into a prime (2772901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4635 + ... + 5198.

It is an arithmetic number, because the mean of its divisors is an integer number (354024).

2^2772906 is an apocalyptic number.

2772906 is an abundant number, since it is smaller than the sum of its proper divisors (2891478).

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

2772906 is a wasteful number, since it uses less digits than its factorization.

2772906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9885.

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 2772906 is about 1665.2044919469. The cubic root of 2772906 is about 140.4898824627.

The spelling of 2772906 in words is "two million, seven hundred seventy-two thousand, nine hundred six".