2750985 has 24 divisors (see below), whose sum is σ = 4819464. Its totient is φ = 1451520.

The previous prime is 2750983. The next prime is 2750989. The reversal of 2750985 is 5890572.

2750985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 8649 + 2742336 = 93^2 + 1656^2 .

It is not a de Polignac number, because 2750985 - 2¹ = 2750983 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2750981) 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 23 ways as a sum of consecutive naturals, for example, 4815 + ... + 5355.

It is an arithmetic number, because the mean of its divisors is an integer number (200811).

2^2750985 is an apocalyptic number.

It is an amenable number.

2750985 is a deficient number, since it is larger than the sum of its proper divisors (2068479).

2750985 is a wasteful number, since it uses less digits than its factorization.

2750985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665 (or 662 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 2750985 is about 1658.6093572629. The cubic root of 2750985 is about 140.1186918617.

The spelling of 2750985 in words is "two million, seven hundred fifty thousand, nine hundred eighty-five".