2388409 has 2 divisors, whose sum is σ = 2388410. Its totient is φ = 2388408.

The previous prime is 2388403. The next prime is 2388443. The reversal of 2388409 is 9048832.

2388409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (2388443) can be obtained adding 2388409 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2205225 + 183184 = 1485^2 + 428^2 .

It is a cyclic number.

It is not a de Polignac number, because 2388409 - 2⁵ = 2388377 is a prime.

It is a nialpdrome in base 12.

It is not a weakly prime, because it can be changed into another prime (2388403) 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, 1194204 + 1194205.

It is an arithmetic number, because the mean of its divisors is an integer number (1194205).

2^2388409 is an apocalyptic number.

It is an amenable number.

2388409 is a deficient number, since it is larger than the sum of its proper divisors (1).

2388409 is an equidigital number, since it uses as much as digits as its factorization.

2388409 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 2388409 is about 1545.4478315362. The cubic root of 2388409 is about 133.6707032803.

The spelling of 2388409 in words is "two million, three hundred eighty-eight thousand, four hundred nine".