2772328 has 64 divisors (see below), whose sum is σ = 6249600. Its totient is φ = 1140480.

The previous prime is 2772317. The next prime is 2772331. The reversal of 2772328 is 8232772.

It is a self number, because there is not a number n which added to its sum of digits gives 2772328.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45418 + ... + 45478.

It is an arithmetic number, because the mean of its divisors is an integer number (97650).

2^2772328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2772328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3124800).

2772328 is an abundant number, since it is smaller than the sum of its proper divisors (3477272).

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

2772328 is a wasteful number, since it uses less digits than its factorization.

2772328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122 (or 118 counting only the distinct ones).

The product of its digits is 9408, while the sum is 31.

The square root of 2772328 is about 1665.0309306436. The cubic root of 2772328 is about 140.4801202860.

The spelling of 2772328 in words is "two million, seven hundred seventy-two thousand, three hundred twenty-eight".