4938389 has 2 divisors, whose sum is σ = 4938390. Its totient is φ = 4938388.

The previous prime is 4938383. The next prime is 4938397. The reversal of 4938389 is 9838394.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4884100 + 54289 = 2210^2 + 233^2 .

It is a cyclic number.

It is not a de Polignac number, because 4938389 - 2¹⁶ = 4872853 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 (4938383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2469194 + 2469195.

It is an arithmetic number, because the mean of its divisors is an integer number (2469195).

Almost surely, 2^4938389 is an apocalyptic number.

It is an amenable number.

4938389 is a deficient number, since it is larger than the sum of its proper divisors (1).

4938389 is an equidigital number, since it uses as much as digits as its factorization.

4938389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 186624, while the sum is 44.

The square root of 4938389 is about 2222.2486359541. The cubic root of 4938389 is about 170.2923343798.

The spelling of 4938389 in words is "four million, nine hundred thirty-eight thousand, three hundred eighty-nine".