4838989 has 2 divisors, whose sum is σ = 4838990. Its totient is φ = 4838988.

The previous prime is 4838963. The next prime is 4839001. The reversal of 4838989 is 9898384.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3736489 + 1102500 = 1933^2 + 1050^2 .

It is a cyclic number.

It is not a de Polignac number, because 4838989 - 2¹³ = 4830797 is a prime.

It is a Chen prime.

4838989 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4838089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2419494 + 2419495.

It is an arithmetic number, because the mean of its divisors is an integer number (2419495).

Almost surely, 2^4838989 is an apocalyptic number.

It is an amenable number.

4838989 is a deficient number, since it is larger than the sum of its proper divisors (1).

4838989 is an equidigital number, since it uses as much as digits as its factorization.

4838989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 497664, while the sum is 49.

The square root of 4838989 is about 2199.7702152725. The cubic root of 4838989 is about 169.1420324838.

The spelling of 4838989 in words is "four million, eight hundred thirty-eight thousand, nine hundred eighty-nine".