2768855 has 8 divisors (see below), whose sum is σ = 3467232. Its totient is φ = 2118688.

The previous prime is 2768819. The next prime is 2768863. The reversal of 2768855 is 5588672.

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 2768855 - 2⁶ = 2768791 is a prime.

It is a super-2 number, since 2×2768855² = 15333116022050, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2²⁰ + 7² + 6⁸ + 8⁴ + 8⁵ + 5⁴ + 5⁵ .

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11924 + ... + 12153.

It is an arithmetic number, because the mean of its divisors is an integer number (433404).

2^2768855 is an apocalyptic number.

2768855 is a deficient number, since it is larger than the sum of its proper divisors (698377).

2768855 is a wasteful number, since it uses less digits than its factorization.

2768855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24105.

The product of its digits is 134400, while the sum is 41.

The square root of 2768855 is about 1663.9876802429. The cubic root of 2768855 is about 140.4214341889.

Adding to 2768855 its sum of digits (41), we get a square (2768896 = 1664²).

The spelling of 2768855 in words is "two million, seven hundred sixty-eight thousand, eight hundred fifty-five".