2980009 has 4 divisors (see below), whose sum is σ = 2985300. Its totient is φ = 2974720.

The previous prime is 2980007. The next prime is 2980027. The reversal of 2980009 is 9000892.

It is a happy number.

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 2822400 + 157609 = 1680^2 + 397^2 .

It is a cyclic number.

It is not a de Polignac number, because 2980009 - 2¹ = 2980007 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (2980001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1684 + ... + 2965.

It is an arithmetic number, because the mean of its divisors is an integer number (746325).

2^2980009 is an apocalyptic number.

It is an amenable number.

2980009 is a deficient number, since it is larger than the sum of its proper divisors (5291).

2980009 is an equidigital number, since it uses as much as digits as its factorization.

2980009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5290.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 2980009 is about 1726.2702569412. The cubic root of 2980009 is about 143.9038871240.

The spelling of 2980009 in words is "two million, nine hundred eighty thousand, nine".