2980909 has 2 divisors, whose sum is σ = 2980910. Its totient is φ = 2980908.

The previous prime is 2980903. The next prime is 2980921. The reversal of 2980909 is 9090892.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2965284 + 15625 = 1722^2 + 125^2 .

It is a cyclic number.

It is not a de Polignac number, because 2980909 - 2¹⁹ = 2456621 is a prime.

It is an Ulam number.

2980909 is a modest number, since divided by 909 gives 298 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2980903) 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 as a sum of consecutive naturals, namely, 1490454 + 1490455.

It is an arithmetic number, because the mean of its divisors is an integer number (1490455).

2^2980909 is an apocalyptic number.

It is an amenable number.

2980909 is a deficient number, since it is larger than the sum of its proper divisors (1).

2980909 is an equidigital number, since it uses as much as digits as its factorization.

2980909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 2980909 is about 1726.5309148695. The cubic root of 2980909 is about 143.9183725906.

The spelling of 2980909 in words is "two million, nine hundred eighty thousand, nine hundred nine".