2878235 has 4 divisors (see below), whose sum is σ = 3453888. Its totient is φ = 2302584.

The previous prime is 2878231. The next prime is 2878247. The reversal of 2878235 is 5328782.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2878235 - 2² = 2878231 is a prime.

It is a d-powerful number, because it can be written as 2¹⁸ + 8 + 7⁶ + 8⁴ + 2²¹ + 3⁸ + 5⁸ .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2878195 and 2878204.

It is not an unprimeable number, because it can be changed into a prime (2878231) 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, 287819 + ... + 287828.

It is an arithmetic number, because the mean of its divisors is an integer number (863472).

2^2878235 is an apocalyptic number.

2878235 is a deficient number, since it is larger than the sum of its proper divisors (575653).

2878235 is an equidigital number, since it uses as much as digits as its factorization.

2878235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575652.

The product of its digits is 26880, while the sum is 35.

The square root of 2878235 is about 1696.5361770384. The cubic root of 2878235 is about 142.2466618111.

It can be divided in two parts, 2878 and 235, that added together give a palindrome (3113).

The spelling of 2878235 in words is "two million, eight hundred seventy-eight thousand, two hundred thirty-five".