2768839 has 8 divisors (see below), whose sum is σ = 2831760. Its totient is φ = 2706816.

The previous prime is 2768819. The next prime is 2768863. The reversal of 2768839 is 9388672.

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 2768839 - 2¹¹ = 2766791 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2768795 and 2768804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2768819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11977 + ... + 12205.

It is an arithmetic number, because the mean of its divisors is an integer number (353970).

2^2768839 is an apocalyptic number.

2768839 is a deficient number, since it is larger than the sum of its proper divisors (62921).

2768839 is a wasteful number, since it uses less digits than its factorization.

2768839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449.

The product of its digits is 145152, while the sum is 43.

The square root of 2768839 is about 1663.9828725080. The cubic root of 2768839 is about 140.4211637104.

The spelling of 2768839 in words is "two million, seven hundred sixty-eight thousand, eight hundred thirty-nine".