2878250 has 32 divisors (see below), whose sum is σ = 5587920. Its totient is φ = 1108800.

The previous prime is 2878247. The next prime is 2878297. The reversal of 2878250 is 528782.

It can be written as a sum of positive squares in 8 ways, for example, as 218089 + 2660161 = 467^2 + 1631^2 .

It is a Curzon number.

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 15 ways as a sum of consecutive naturals, for example, 7052 + ... + 7448.

2^2878250 is an apocalyptic number.

2878250 is a deficient number, since it is larger than the sum of its proper divisors (2709670).

2878250 is a wasteful number, since it uses less digits than its factorization.

2878250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443 (or 433 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 2878250 is about 1696.5405978048. The cubic root of 2878250 is about 142.2469089182.

The spelling of 2878250 in words is "two million, eight hundred seventy-eight thousand, two hundred fifty".