2828815 has 16 divisors (see below), whose sum is σ = 3899520. Its totient is φ = 1948320.

The previous prime is 2828809. The next prime is 2828857. The reversal of 2828815 is 5188282.

It is a happy number.

2828815 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2828815 - 2¹⁷ = 2697743 is a prime.

2828815 is a lucky number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 309 + ... + 2398.

It is an arithmetic number, because the mean of its divisors is an integer number (243720).

2^2828815 is an apocalyptic number.

2828815 is a deficient number, since it is larger than the sum of its proper divisors (1070705).

2828815 is a wasteful number, since it uses less digits than its factorization.

2828815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2742.

The product of its digits is 10240, while the sum is 34.

The square root of 2828815 is about 1681.9081425571. The cubic root of 2828815 is about 141.4278205294.

The spelling of 2828815 in words is "two million, eight hundred twenty-eight thousand, eight hundred fifteen".