2947266 has 80 divisors (see below), whose sum is σ = 7945344. Its totient is φ = 798336.

The previous prime is 2947249. The next prime is 2947271. The reversal of 2947266 is 6627492.

It is a happy number.

2947266 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a d-powerful number, because it can be written as 2¹¹ + 9⁶ + 4⁹ + 7² + 2²¹ + 6⁵ + 6⁶ .

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 2947266.

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 39 ways as a sum of consecutive naturals, for example, 26026 + ... + 26138.

2^2947266 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2947266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3972672).

2947266 is an abundant number, since it is smaller than the sum of its proper divisors (4998078).

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

2947266 is a wasteful number, since it uses less digits than its factorization.

2947266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157 (or 148 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 2947266 is about 1716.7603210699. The cubic root of 2947266 is about 143.3748945038.

The spelling of 2947266 in words is "two million, nine hundred forty-seven thousand, two hundred sixty-six".