2878282 has 16 divisors (see below), whose sum is σ = 4826304. Its totient is φ = 1276000.

The previous prime is 2878247. The next prime is 2878297. The reversal of 2878282 is 2828782.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 694 + ... + 2497.

It is an arithmetic number, because the mean of its divisors is an integer number (301644).

2^2878282 is an apocalyptic number.

2878282 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2878282 is a deficient number, since it is larger than the sum of its proper divisors (1948022).

2878282 is a wasteful number, since it uses less digits than its factorization.

2878282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3245.

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

The square root of 2878282 is about 1696.5500287348. The cubic root of 2878282 is about 142.2474360769.

It can be divided in two parts, 2878 and 282, that added together give a triangular number (3160 = T₇₉).

The spelling of 2878282 in words is "two million, eight hundred seventy-eight thousand, two hundred eighty-two".