2842985 has 8 divisors (see below), whose sum is σ = 3458760. Its totient is φ = 2242944.

The previous prime is 2842963. The next prime is 2842991. The reversal of 2842985 is 5892482.

2842985 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 434281 + 2408704 = 659^2 + 1552^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2842985 - 2⁸ = 2842729 is a prime.

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, 3530 + ... + 4259.

It is an arithmetic number, because the mean of its divisors is an integer number (432345).

2^2842985 is an apocalyptic number.

It is an amenable number.

2842985 is a deficient number, since it is larger than the sum of its proper divisors (615775).

2842985 is an equidigital number, since it uses as much as digits as its factorization.

2842985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7867.

The product of its digits is 46080, while the sum is 38.

The square root of 2842985 is about 1686.1153578566. The cubic root of 2842985 is about 141.6635724045.

The spelling of 2842985 in words is "two million, eight hundred forty-two thousand, nine hundred eighty-five".