2878263 has 12 divisors (see below), whose sum is σ = 4177888. Its totient is φ = 1909440.

The previous prime is 2878247. The next prime is 2878297. The reversal of 2878263 is 3628782.

It is a happy number.

It is not a de Polignac number, because 2878263 - 2⁴ = 2878247 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 (2877263) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1506 + ... + 2832.

2^2878263 is an apocalyptic number.

2878263 is a deficient number, since it is larger than the sum of its proper divisors (1299625).

2878263 is a wasteful number, since it uses less digits than its factorization.

2878263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574 (or 1571 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 2878263 is about 1696.5444291265. The cubic root of 2878263 is about 142.2471230769.

The spelling of 2878263 in words is "two million, eight hundred seventy-eight thousand, two hundred sixty-three".