2985109 has 6 divisors (see below), whose sum is σ = 3150870. Its totient is φ = 2827656.

The previous prime is 2985107. The next prime is 2985113. The reversal of 2985109 is 9015892.

2985109 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 only one way, i.e., 2924100 + 61009 = 1710^2 + 247^2 .

It is not a de Polignac number, because 2985109 - 2¹ = 2985107 is a prime.

It is an Ulam number.

It is a Duffinian number.

2985109 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2985107) 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 5 ways as a sum of consecutive naturals, for example, 3774 + ... + 4495.

It is an arithmetic number, because the mean of its divisors is an integer number (525145).

2^2985109 is an apocalyptic number.

It is an amenable number.

2985109 is a deficient number, since it is larger than the sum of its proper divisors (165761).

2985109 is an equidigital number, since it uses as much as digits as its factorization.

2985109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8307 (or 8288 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 2985109 is about 1727.7467985790. The cubic root of 2985109 is about 143.9859329108.

The spelling of 2985109 in words is "two million, nine hundred eighty-five thousand, one hundred nine".