2800235 has 4 divisors (see below), whose sum is σ = 3360288. Its totient is φ = 2240184.

The previous prime is 2800219. The next prime is 2800241. The reversal of 2800235 is 5320082.

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 2800235 - 2⁴ = 2800219 is a prime.

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 280019 + ... + 280028.

It is an arithmetic number, because the mean of its divisors is an integer number (840072).

2^2800235 is an apocalyptic number.

2800235 is a deficient number, since it is larger than the sum of its proper divisors (560053).

2800235 is an equidigital number, since it uses as much as digits as its factorization.

2800235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560052.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2800235 is about 1673.3902712757. The cubic root of 2800235 is about 140.9499176624.

The spelling of 2800235 in words is "two million, eight hundred thousand, two hundred thirty-five".