2798305 has 8 divisors (see below), whose sum is σ = 3370752. Its totient is φ = 2230128.

The previous prime is 2798303. The next prime is 2798317. The reversal of 2798305 is 5038972.

2798305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2798305 - 2¹ = 2798303 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2798303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 624 + ... + 2446.

It is an arithmetic number, because the mean of its divisors is an integer number (421344).

2^2798305 is an apocalyptic number.

It is an amenable number.

2798305 is a deficient number, since it is larger than the sum of its proper divisors (572447).

2798305 is a wasteful number, since it uses less digits than its factorization.

2798305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2135.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 2798305 is about 1672.8134982717. The cubic root of 2798305 is about 140.9175280162.

The spelling of 2798305 in words is "two million, seven hundred ninety-eight thousand, three hundred five".