2943428 has 12 divisors (see below), whose sum is σ = 5164992. Its totient is φ = 1467720.

The previous prime is 2943427. The next prime is 2943467. The reversal of 2943428 is 8243492.

2943428 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 2 + 9³ + 4³ + 3¹⁰ + 4⁹ + 2¹⁹ + 8⁷ .

It is a junction number, because it is equal to n+sod(n) for n = 2943394 and 2943403.

It is not an unprimeable number, because it can be changed into a prime (2943427) 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 3 ways as a sum of consecutive naturals, for example, 1193 + ... + 2703.

It is an arithmetic number, because the mean of its divisors is an integer number (430416).

2^2943428 is an apocalyptic number.

It is an amenable number.

2943428 is a deficient number, since it is larger than the sum of its proper divisors (2221564).

2943428 is a wasteful number, since it uses less digits than its factorization.

2943428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002 (or 2000 counting only the distinct ones).

The product of its digits is 13824, while the sum is 32.

The square root of 2943428 is about 1715.6421538305. The cubic root of 2943428 is about 143.3126320683.

The spelling of 2943428 in words is "two million, nine hundred forty-three thousand, four hundred twenty-eight".