2984885 has 4 divisors (see below), whose sum is σ = 3581868. Its totient is φ = 2387904.

The previous prime is 2984873. The next prime is 2984887. The reversal of 2984885 is 5884892.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1444804 + 1540081 = 1202^2 + 1241^2 .

It is a cyclic number.

It is not a de Polignac number, because 2984885 - 2⁸ = 2984629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2984887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 298484 + ... + 298493.

It is an arithmetic number, because the mean of its divisors is an integer number (895467).

2^2984885 is an apocalyptic number.

It is an amenable number.

2984885 is a deficient number, since it is larger than the sum of its proper divisors (596983).

2984885 is an equidigital number, since it uses as much as digits as its factorization.

2984885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596982.

The product of its digits is 184320, while the sum is 44.

The square root of 2984885 is about 1727.6819730494. The cubic root of 2984885 is about 143.9823312941.

The spelling of 2984885 in words is "two million, nine hundred eighty-four thousand, eight hundred eighty-five".