2948909 has 2 divisors, whose sum is σ = 2948910. Its totient is φ = 2948908.

The previous prime is 2948903. The next prime is 2948917. The reversal of 2948909 is 9098492.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2815684 + 133225 = 1678^2 + 365^2 .

It is a cyclic number.

It is not a de Polignac number, because 2948909 - 2¹² = 2944813 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2948903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1474454 + 1474455.

It is an arithmetic number, because the mean of its divisors is an integer number (1474455).

2^2948909 is an apocalyptic number.

It is an amenable number.

2948909 is a deficient number, since it is larger than the sum of its proper divisors (1).

2948909 is an equidigital number, since it uses as much as digits as its factorization.

2948909 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 41.

The square root of 2948909 is about 1717.2387719825. The cubic root of 2948909 is about 143.4015317547.

The spelling of 2948909 in words is "two million, nine hundred forty-eight thousand, nine hundred nine".