2768769 has 8 divisors (see below), whose sum is σ = 4101920. Its totient is φ = 1845828.

The previous prime is 2768767. The next prime is 2768783. The reversal of 2768769 is 9678672.

It is a happy number.

2768769 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2768769 - 2¹ = 2768767 is a prime.

It is a super-2 number, since 2×2768769² = 15332163550722, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

2768769 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2768767) 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, 51247 + ... + 51300.

It is an arithmetic number, because the mean of its divisors is an integer number (512740).

2^2768769 is an apocalyptic number.

It is an amenable number.

2768769 is a deficient number, since it is larger than the sum of its proper divisors (1333151).

2768769 is a wasteful number, since it uses less digits than its factorization.

2768769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102556 (or 102550 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 2768769 is about 1663.9618385047. The cubic root of 2768769 is about 140.4199803546.

Subtracting 2768769 from its reverse (9678672), we obtain a triangular number (6909903 = T₃₇₁₇).

It can be divided in two parts, 276 and 8769, that added together give a triangular number (9045 = T₁₃₄).

The spelling of 2768769 in words is "two million, seven hundred sixty-eight thousand, seven hundred sixty-nine".