2878735 has 4 divisors (see below), whose sum is σ = 3454488. Its totient is φ = 2302984.

The previous prime is 2878727. The next prime is 2878741. The reversal of 2878735 is 5378782.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5378782 = 2 ⋅2689391.

It is a cyclic number.

It is not a de Polignac number, because 2878735 - 2³ = 2878727 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287869 + ... + 287878.

It is an arithmetic number, because the mean of its divisors is an integer number (863622).

2^2878735 is an apocalyptic number.

2878735 is a deficient number, since it is larger than the sum of its proper divisors (575753).

2878735 is an equidigital number, since it uses as much as digits as its factorization.

2878735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575752.

The product of its digits is 94080, while the sum is 40.

The square root of 2878735 is about 1696.6835297132. The cubic root of 2878735 is about 142.2548982492.

The spelling of 2878735 in words is "two million, eight hundred seventy-eight thousand, seven hundred thirty-five".