7389289 has 2 divisors, whose sum is σ = 7389290. Its totient is φ = 7389288.

The previous prime is 7389281. The next prime is 7389331. The reversal of 7389289 is 9829837.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5139289 + 2250000 = 2267^2 + 1500^2 .

It is a cyclic number.

It is not a de Polignac number, because 7389289 - 2³ = 7389281 is a prime.

It is not a weakly prime, because it can be changed into another prime (7389281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3694644 + 3694645.

It is an arithmetic number, because the mean of its divisors is an integer number (3694645).

Almost surely, 2^7389289 is an apocalyptic number.

It is an amenable number.

7389289 is a deficient number, since it is larger than the sum of its proper divisors (1).

7389289 is an equidigital number, since it uses as much as digits as its factorization.

7389289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 46.

The square root of 7389289 is about 2718.3246678791. The cubic root of 7389289 is about 194.7754504858.

The spelling of 7389289 in words is "seven million, three hundred eighty-nine thousand, two hundred eighty-nine".