2928743 has 4 divisors (see below), whose sum is σ = 3101040. Its totient is φ = 2756448.

The previous prime is 2928719. The next prime is 2928749. The reversal of 2928743 is 3478292.

2928743 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2928743 - 2¹⁴ = 2912359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2928749) 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, 86123 + ... + 86156.

It is an arithmetic number, because the mean of its divisors is an integer number (775260).

2^2928743 is an apocalyptic number.

2928743 is a deficient number, since it is larger than the sum of its proper divisors (172297).

2928743 is a wasteful number, since it uses less digits than its factorization.

2928743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172296.

The product of its digits is 24192, while the sum is 35.

The square root of 2928743 is about 1711.3570638531. The cubic root of 2928743 is about 143.0739018472.

The spelling of 2928743 in words is "two million, nine hundred twenty-eight thousand, seven hundred forty-three".