2878843 has 4 divisors (see below), whose sum is σ = 3140568. Its totient is φ = 2617120.

The previous prime is 2878819. The next prime is 2878847. The reversal of 2878843 is 3488782.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2878843 - 2⁹ = 2878331 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2878796 and 2878805.

It is not an unprimeable number, because it can be changed into a prime (2878847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130846 + ... + 130867.

It is an arithmetic number, because the mean of its divisors is an integer number (785142).

2^2878843 is an apocalyptic number.

2878843 is a deficient number, since it is larger than the sum of its proper divisors (261725).

2878843 is a wasteful number, since it uses less digits than its factorization.

2878843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261724.

The product of its digits is 86016, while the sum is 40.

The square root of 2878843 is about 1696.7153562103. The cubic root of 2878843 is about 142.2566771946.

It can be divided in two parts, 2878 and 843, that added together give a square (3721 = 61²).

The spelling of 2878843 in words is "two million, eight hundred seventy-eight thousand, eight hundred forty-three".