2943128 has 32 divisors (see below), whose sum is σ = 5795760. Its totient is φ = 1399680.

The previous prime is 2943121. The next prime is 2943133. The reversal of 2943128 is 8213492.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2943128.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2943121) 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, 17975 + ... + 18137.

2^2943128 is an apocalyptic number.

It is an amenable number.

2943128 is a deficient number, since it is larger than the sum of its proper divisors (2852632).

2943128 is a wasteful number, since it uses less digits than its factorization.

2943128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267 (or 263 counting only the distinct ones).

The product of its digits is 3456, while the sum is 29.

The square root of 2943128 is about 1715.5547207828. The cubic root of 2943128 is about 143.3077630006.

The spelling of 2943128 in words is "two million, nine hundred forty-three thousand, one hundred twenty-eight".