2448389 has 2 divisors, whose sum is σ = 2448390. Its totient is φ = 2448388.

The previous prime is 2448379. The next prime is 2448427. The reversal of 2448389 is 9838442.

It is an a-pointer prime, because the next prime (2448427) can be obtained adding 2448389 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2427364 + 21025 = 1558^2 + 145^2 .

It is a cyclic number.

It is not a de Polignac number, because 2448389 - 2⁸ = 2448133 is a prime.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2448379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1224194 + 1224195.

It is an arithmetic number, because the mean of its divisors is an integer number (1224195).

2^2448389 is an apocalyptic number.

It is an amenable number.

2448389 is a deficient number, since it is larger than the sum of its proper divisors (1).

2448389 is an equidigital number, since it uses as much as digits as its factorization.

2448389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 38.

The square root of 2448389 is about 1564.7328845525. The cubic root of 2448389 is about 134.7804203644.

The spelling of 2448389 in words is "two million, four hundred forty-eight thousand, three hundred eighty-nine".