2768635 has 4 divisors (see below), whose sum is σ = 3322368. Its totient is φ = 2214904.

The previous prime is 2768627. The next prime is 2768639. The reversal of 2768635 is 5368672.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2768635 - 2³ = 2768627 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2768594 and 2768603.

It is not an unprimeable number, because it can be changed into a prime (2768639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 276859 + ... + 276868.

It is an arithmetic number, because the mean of its divisors is an integer number (830592).

2^2768635 is an apocalyptic number.

2768635 is a deficient number, since it is larger than the sum of its proper divisors (553733).

2768635 is an equidigital number, since it uses as much as digits as its factorization.

2768635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553732.

The product of its digits is 60480, while the sum is 37.

The square root of 2768635 is about 1663.9215726710. The cubic root of 2768635 is about 140.4177150181.

Adding to 2768635 its sum of digits (37), we get a palindrome (2768672).

It can be divided in two parts, 2768 and 635, that added together give a triangular number (3403 = T₈₂).

The spelling of 2768635 in words is "two million, seven hundred sixty-eight thousand, six hundred thirty-five".