2986885 has 12 divisors (see below), whose sum is σ = 3940524. Its totient is φ = 2171840.

The previous prime is 2986871. The next prime is 2986889. The reversal of 2986885 is 5886892.

It is a happy number.

2986885 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 2 ways, for example, as 1185921 + 1800964 = 1089^2 + 1342^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2986885 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 9.

It is a zygodrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2986889) 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 11 ways as a sum of consecutive naturals, for example, 1864 + ... + 3073.

It is an arithmetic number, because the mean of its divisors is an integer number (328377).

2^2986885 is an apocalyptic number.

It is an amenable number.

2986885 is a deficient number, since it is larger than the sum of its proper divisors (953639).

2986885 is a wasteful number, since it uses less digits than its factorization.

2986885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4964 (or 4953 counting only the distinct ones).

The product of its digits is 276480, while the sum is 46.

The square root of 2986885 is about 1728.2606863549. The cubic root of 2986885 is about 144.0144822112.

The spelling of 2986885 in words is "two million, nine hundred eighty-six thousand, eight hundred eighty-five".