2756849 has 8 divisors (see below), whose sum is σ = 2921280. Its totient is φ = 2596176.

The previous prime is 2756821. The next prime is 2756869. The reversal of 2756849 is 9486572.

2756849 is nontrivially palindromic in base 9.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2756849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2756869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 647 + ... + 2435.

It is an arithmetic number, because the mean of its divisors is an integer number (365160).

2^2756849 is an apocalyptic number.

It is an amenable number.

2756849 is a deficient number, since it is larger than the sum of its proper divisors (164431).

2756849 is a wasteful number, since it uses less digits than its factorization.

2756849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1879.

The product of its digits is 120960, while the sum is 41.

The square root of 2756849 is about 1660.3761621994. The cubic root of 2756849 is about 140.2181802129.

The spelling of 2756849 in words is "two million, seven hundred fifty-six thousand, eight hundred forty-nine".