2928791 has 2 divisors, whose sum is σ = 2928792. Its totient is φ = 2928790.

The previous prime is 2928769. The next prime is 2928817. The reversal of 2928791 is 1978292.

2928791 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2928791 - 2¹⁴ = 2912407 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2928491) 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 as a sum of consecutive naturals, namely, 1464395 + 1464396.

It is an arithmetic number, because the mean of its divisors is an integer number (1464396).

2^2928791 is an apocalyptic number.

2928791 is a deficient number, since it is larger than the sum of its proper divisors (1).

2928791 is an equidigital number, since it uses as much as digits as its factorization.

2928791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 38.

The square root of 2928791 is about 1711.3710877539. The cubic root of 2928791 is about 143.0746834692.

The spelling of 2928791 in words is "two million, nine hundred twenty-eight thousand, seven hundred ninety-one".