2955216 has 80 divisors (see below), whose sum is σ = 8660160. Its totient is φ = 860160.

The previous prime is 2955209. The next prime is 2955217. The reversal of 2955216 is 6125592.

It is a happy number.

2955216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2955217) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 15216 + ... + 15408.

It is an arithmetic number, because the mean of its divisors is an integer number (108252).

2^2955216 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 2955216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4330080).

2955216 is an abundant number, since it is smaller than the sum of its proper divisors (5704944).

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

2955216 is a wasteful number, since it uses less digits than its factorization.

2955216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244 (or 238 counting only the distinct ones).

The product of its digits is 5400, while the sum is 30.

The square root of 2955216 is about 1719.0741694296. The cubic root of 2955216 is about 143.5036926373.

The spelling of 2955216 in words is "two million, nine hundred fifty-five thousand, two hundred sixteen".