7398389 has 2 divisors, whose sum is σ = 7398390. Its totient is φ = 7398388.

The previous prime is 7398361. The next prime is 7398397. The reversal of 7398389 is 9838937.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7344100 + 54289 = 2710^2 + 233^2 .

It is a cyclic number.

It is not a de Polignac number, because 7398389 - 2⁸ = 7398133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7398329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3699194 + 3699195.

It is an arithmetic number, because the mean of its divisors is an integer number (3699195).

Almost surely, 2^7398389 is an apocalyptic number.

It is an amenable number.

7398389 is a deficient number, since it is larger than the sum of its proper divisors (1).

7398389 is an equidigital number, since it uses as much as digits as its factorization.

7398389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 47.

The square root of 7398389 is about 2719.9979779404. The cubic root of 7398389 is about 194.8553738044.

The spelling of 7398389 in words is "seven million, three hundred ninety-eight thousand, three hundred eighty-nine".