2928287 has 2 divisors, whose sum is σ = 2928288. Its totient is φ = 2928286.

The previous prime is 2928283. The next prime is 2928307. The reversal of 2928287 is 7828292.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2928287 - 2² = 2928283 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2928287.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2928281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1464143 + 1464144.

It is an arithmetic number, because the mean of its divisors is an integer number (1464144).

2^2928287 is an apocalyptic number.

2928287 is a deficient number, since it is larger than the sum of its proper divisors (1).

2928287 is an equidigital number, since it uses as much as digits as its factorization.

2928287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 38.

The square root of 2928287 is about 1711.2238310636. The cubic root of 2928287 is about 143.0664760123.

The spelling of 2928287 in words is "two million, nine hundred twenty-eight thousand, two hundred eighty-seven".