2980609 has 4 divisors (see below), whose sum is σ = 3061204. Its totient is φ = 2900016.

The previous prime is 2980583. The next prime is 2980669. The reversal of 2980609 is 9060892.

2980609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2241009 + 739600 = 1497^2 + 860^2 .

It is a cyclic number.

It is not a de Polignac number, because 2980609 - 2¹⁷ = 2849537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2980669) 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 3 ways as a sum of consecutive naturals, for example, 40242 + ... + 40315.

It is an arithmetic number, because the mean of its divisors is an integer number (765301).

2^2980609 is an apocalyptic number.

It is an amenable number.

2980609 is a deficient number, since it is larger than the sum of its proper divisors (80595).

2980609 is an equidigital number, since it uses as much as digits as its factorization.

2980609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80594.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 2980609 is about 1726.4440332661. Note that the first 3 decimals coincide. The cubic root of 2980609 is about 143.9135444257.

The spelling of 2980609 in words is "two million, nine hundred eighty thousand, six hundred nine".