4248389 has 2 divisors, whose sum is σ = 4248390. Its totient is φ = 4248388.

The previous prime is 4248371. The next prime is 4248397. The reversal of 4248389 is 9838424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3330625 + 917764 = 1825^2 + 958^2 .

It is a cyclic number.

It is not a de Polignac number, because 4248389 - 2¹⁶ = 4182853 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4248319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2124194 + 2124195.

It is an arithmetic number, because the mean of its divisors is an integer number (2124195).

Almost surely, 2^4248389 is an apocalyptic number.

It is an amenable number.

4248389 is a deficient number, since it is larger than the sum of its proper divisors (1).

4248389 is an equidigital number, since it uses as much as digits as its factorization.

4248389 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 4248389 is about 2061.1620508829. The cubic root of 4248389 is about 161.9601207533.

The spelling of 4248389 in words is "four million, two hundred forty-eight thousand, three hundred eighty-nine".