2986839 has 6 divisors (see below), whose sum is σ = 4314336. Its totient is φ = 1991220.

The previous prime is 2986829. The next prime is 2986859. The reversal of 2986839 is 9386892.

It is not a de Polignac number, because 2986839 - 2⁸ = 2986583 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2986794 and 2986803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2986829) 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 5 ways as a sum of consecutive naturals, for example, 165927 + ... + 165944.

It is an arithmetic number, because the mean of its divisors is an integer number (719056).

2^2986839 is an apocalyptic number.

2986839 is a deficient number, since it is larger than the sum of its proper divisors (1327497).

2986839 is a wasteful number, since it uses less digits than its factorization.

2986839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331877 (or 331874 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 2986839 is about 1728.2473781262. The cubic root of 2986839 is about 144.0137429013.

It can be divided in two parts, 29 and 86839, that added together give a palindrome (86868).

The spelling of 2986839 in words is "two million, nine hundred eighty-six thousand, eight hundred thirty-nine".