2766849 has 4 divisors (see below), whose sum is σ = 3689136. Its totient is φ = 1844564.

The previous prime is 2766821. The next prime is 2766859. The reversal of 2766849 is 9486672.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2766849 - 2⁸ = 2766593 is a prime.

It is a D-number.

2766849 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2766849.

It is not an unprimeable number, because it can be changed into a prime (2766859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 461139 + ... + 461144.

It is an arithmetic number, because the mean of its divisors is an integer number (922284).

It is a Proth number, since it is equal to 1351 ⋅ 2¹¹ + 1 and 1351 < 2¹¹.

2^2766849 is an apocalyptic number.

It is an amenable number.

2766849 is a deficient number, since it is larger than the sum of its proper divisors (922287).

2766849 is an equidigital number, since it uses as much as digits as its factorization.

2766849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922286.

The product of its digits is 145152, while the sum is 42.

The square root of 2766849 is about 1663.3848021429. The cubic root of 2766849 is about 140.3875148190.

The spelling of 2766849 in words is "two million, seven hundred sixty-six thousand, eight hundred forty-nine".