2797863 has 8 divisors (see below), whose sum is σ = 3810048. Its totient is φ = 1825464.

The previous prime is 2797849. The next prime is 2797867. The reversal of 2797863 is 3687972.

2797863 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 not a de Polignac number, because 2797863 - 2¹⁰ = 2796839 is a prime.

It is a super-3 number, since 3×2797863³ = 65705328333301243941, which contains 333 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2797867) 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, 9781 + ... + 10062.

It is an arithmetic number, because the mean of its divisors is an integer number (476256).

2^2797863 is an apocalyptic number.

2797863 is a deficient number, since it is larger than the sum of its proper divisors (1012185).

2797863 is a wasteful number, since it uses less digits than its factorization.

2797863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19893.

The product of its digits is 127008, while the sum is 42.

The square root of 2797863 is about 1672.6813802993. The cubic root of 2797863 is about 140.9101081880.

The spelling of 2797863 in words is "two million, seven hundred ninety-seven thousand, eight hundred sixty-three".