2749985 has 8 divisors (see below), whose sum is σ = 3771456. Its totient is φ = 1885680.

The previous prime is 2749921. The next prime is 2749991. The reversal of 2749985 is 5899472.

It is a happy number.

2749985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2749985 - 2⁶ = 2749921 is a prime.

It is a Duffinian number.

It is a Curzon 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 7 ways as a sum of consecutive naturals, for example, 39251 + ... + 39320.

It is an arithmetic number, because the mean of its divisors is an integer number (471432).

2^2749985 is an apocalyptic number.

It is an amenable number.

2749985 is a deficient number, since it is larger than the sum of its proper divisors (1021471).

2749985 is an equidigital number, since it uses as much as digits as its factorization.

2749985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78583.

The product of its digits is 181440, while the sum is 44.

The square root of 2749985 is about 1658.3078725014. The cubic root of 2749985 is about 140.1017118015.

The spelling of 2749985 in words is "two million, seven hundred forty-nine thousand, nine hundred eighty-five".