2828287 has 16 divisors (see below), whose sum is σ = 3681792. Its totient is φ = 2106720.

The previous prime is 2828281. The next prime is 2828291. The reversal of 2828287 is 7828282.

It is not a de Polignac number, because 2828287 - 2¹⁹ = 2303999 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 (2828281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 973 + ... + 2569.

It is an arithmetic number, because the mean of its divisors is an integer number (230112).

2^2828287 is an apocalyptic number.

2828287 is a deficient number, since it is larger than the sum of its proper divisors (853505).

2828287 is a wasteful number, since it uses less digits than its factorization.

2828287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1638.

The product of its digits is 28672, while the sum is 37.

The square root of 2828287 is about 1681.7511706552. The cubic root of 2828287 is about 141.4190207863.

The spelling of 2828287 in words is "two million, eight hundred twenty-eight thousand, two hundred eighty-seven".