2348809 has 2 divisors, whose sum is σ = 2348810. Its totient is φ = 2348808.

The previous prime is 2348807. The next prime is 2348813. The reversal of 2348809 is 9088432.

2348809 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., 1763584 + 585225 = 1328^2 + 765^2 .

It is a cyclic number.

It is not a de Polignac number, because 2348809 - 2¹ = 2348807 is a prime.

Together with 2348807, it forms a pair of twin primes.

2348809 is a lucky number.

It is a nialpdrome in base 12.

It is not a weakly prime, because it can be changed into another prime (2348807) 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, 1174404 + 1174405.

It is an arithmetic number, because the mean of its divisors is an integer number (1174405).

2^2348809 is an apocalyptic number.

It is an amenable number.

2348809 is a deficient number, since it is larger than the sum of its proper divisors (1).

2348809 is an equidigital number, since it uses as much as digits as its factorization.

2348809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 2348809 is about 1532.5824610767. The cubic root of 2348809 is about 132.9278256153.

The spelling of 2348809 in words is "two million, three hundred forty-eight thousand, eight hundred nine".