2943328 has 48 divisors (see below), whose sum is σ = 6289920. Its totient is φ = 1351296.

The previous prime is 2943323. The next prime is 2943341. The reversal of 2943328 is 8233492.

It is a self number, because there is not a number n which added to its sum of digits gives 2943328.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2943323) 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, 28525 + ... + 28627.

It is an arithmetic number, because the mean of its divisors is an integer number (131040).

2^2943328 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 2943328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3144960).

2943328 is an abundant number, since it is smaller than the sum of its proper divisors (3346592).

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

2943328 is a wasteful number, since it uses less digits than its factorization.

2943328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179 (or 171 counting only the distinct ones).

The product of its digits is 10368, while the sum is 31.

The square root of 2943328 is about 1715.6130099763. The cubic root of 2943328 is about 143.3110090825.

The spelling of 2943328 in words is "two million, nine hundred forty-three thousand, three hundred twenty-eight".