2798065 has 16 divisors (see below), whose sum is σ = 3628800. Its totient is φ = 2064832.

The previous prime is 2798023. The next prime is 2798069. The reversal of 2798065 is 5608972.

It is a cyclic number.

It is not a de Polignac number, because 2798065 - 2¹⁵ = 2765297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2798069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2916 + ... + 3754.

It is an arithmetic number, because the mean of its divisors is an integer number (226800).

2^2798065 is an apocalyptic number.

It is an amenable number.

2798065 is a deficient number, since it is larger than the sum of its proper divisors (830735).

2798065 is a wasteful number, since it uses less digits than its factorization.

2798065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 2798065 is about 1672.7417613009. The cubic root of 2798065 is about 140.9134992472.

The spelling of 2798065 in words is "two million, seven hundred ninety-eight thousand, sixty-five".