2804233 has 4 divisors (see below), whose sum is σ = 2819908. Its totient is φ = 2788560.

The previous prime is 2804227. The next prime is 2804237. The reversal of 2804233 is 3324082.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3324082 = 2 ⋅1662041.

It can be written as a sum of positive squares in 2 ways, for example, as 71824 + 2732409 = 268^2 + 1653^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2804233 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2804237) 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, 7566 + ... + 7927.

It is an arithmetic number, because the mean of its divisors is an integer number (704977).

2^2804233 is an apocalyptic number.

It is an amenable number.

2804233 is a deficient number, since it is larger than the sum of its proper divisors (15675).

2804233 is a wasteful number, since it uses less digits than its factorization.

2804233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15674.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 2804233 is about 1674.5844260592. The cubic root of 2804233 is about 141.0169655826.

The spelling of 2804233 in words is "two million, eight hundred four thousand, two hundred thirty-three".