2768645 has 16 divisors (see below), whose sum is σ = 3680640. Its totient is φ = 1982400.

The previous prime is 2768639. The next prime is 2768651. The reversal of 2768645 is 5468672.

It is a happy number.

2768645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2768639) and next prime (2768651).

It is not a de Polignac number, because 2768645 - 2¹⁴ = 2752261 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2768599 and 2768608.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3551 + ... + 4259.

It is an arithmetic number, because the mean of its divisors is an integer number (230040).

2^2768645 is an apocalyptic number.

It is an amenable number.

2768645 is a deficient number, since it is larger than the sum of its proper divisors (911995).

2768645 is a wasteful number, since it uses less digits than its factorization.

2768645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796.

The product of its digits is 80640, while the sum is 38.

The square root of 2768645 is about 1663.9245776176. The cubic root of 2768645 is about 140.4178840756.

It can be divided in two parts, 276 and 8645, that multiplied together give a triangular number (2386020 = T₂₁₈₄).

The spelling of 2768645 in words is "two million, seven hundred sixty-eight thousand, six hundred forty-five".