4618489 has 2 divisors, whose sum is σ = 4618490. Its totient is φ = 4618488.

The previous prime is 4618483. The next prime is 4618499. The reversal of 4618489 is 9848164.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2862864 + 1755625 = 1692^2 + 1325^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4618489 is a prime.

It is not a weakly prime, because it can be changed into another prime (4618483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2309244 + 2309245.

It is an arithmetic number, because the mean of its divisors is an integer number (2309245).

Almost surely, 2^4618489 is an apocalyptic number.

It is an amenable number.

4618489 is a deficient number, since it is larger than the sum of its proper divisors (1).

4618489 is an equidigital number, since it uses as much as digits as its factorization.

4618489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 40.

The square root of 4618489 is about 2149.0670068660. The cubic root of 4618489 is about 166.5328717333.

The spelling of 4618489 in words is "four million, six hundred eighteen thousand, four hundred eighty-nine".