4939289 has 2 divisors, whose sum is σ = 4939290. Its totient is φ = 4939288.

The previous prime is 4939279. The next prime is 4939313. The reversal of 4939289 is 9829394.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4494400 + 444889 = 2120^2 + 667^2 .

It is a cyclic number.

It is not a de Polignac number, because 4939289 - 2¹⁶ = 4873753 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4939279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2469644 + 2469645.

It is an arithmetic number, because the mean of its divisors is an integer number (2469645).

Almost surely, 2^4939289 is an apocalyptic number.

It is an amenable number.

4939289 is a deficient number, since it is larger than the sum of its proper divisors (1).

4939289 is an equidigital number, since it uses as much as digits as its factorization.

4939289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 139968, while the sum is 44.

The square root of 4939289 is about 2222.4511243220. The cubic root of 4939289 is about 170.3026787648.

The spelling of 4939289 in words is "four million, nine hundred thirty-nine thousand, two hundred eighty-nine".