2986609 has 2 divisors, whose sum is σ = 2986610. Its totient is φ = 2986608.

The previous prime is 2986601. The next prime is 2986637. The reversal of 2986609 is 9066892.

It is a happy number.

2986609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2985984 + 625 = 1728^2 + 25^2 .

It is a cyclic number.

It is not a de Polignac number, because 2986609 - 2³ = 2986601 is a prime.

It is not a weakly prime, because it can be changed into another prime (2986601) 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 as a sum of consecutive naturals, namely, 1493304 + 1493305.

It is an arithmetic number, because the mean of its divisors is an integer number (1493305).

2^2986609 is an apocalyptic number.

It is an amenable number.

2986609 is a deficient number, since it is larger than the sum of its proper divisors (1).

2986609 is an equidigital number, since it uses as much as digits as its factorization.

2986609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 2986609 is about 1728.1808354452. The cubic root of 2986609 is about 144.0100462384.

The spelling of 2986609 in words is "two million, nine hundred eighty-six thousand, six hundred nine".