4989841 has 2 divisors, whose sum is σ = 4989842. Its totient is φ = 4989840.

The previous prime is 4989821. The next prime is 4989847. The reversal of 4989841 is 1489894.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3690241 + 1299600 = 1921^2 + 1140^2 .

It is a cyclic number.

It is not a de Polignac number, because 4989841 - 2⁷ = 4989713 is a prime.

It is not a weakly prime, because it can be changed into another prime (4989847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2494920 + 2494921.

It is an arithmetic number, because the mean of its divisors is an integer number (2494921).

Almost surely, 2^4989841 is an apocalyptic number.

It is an amenable number.

4989841 is a deficient number, since it is larger than the sum of its proper divisors (1).

4989841 is an equidigital number, since it uses as much as digits as its factorization.

4989841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 43.

The square root of 4989841 is about 2233.7952009976. The cubic root of 4989841 is about 170.8817051732.

The spelling of 4989841 in words is "four million, nine hundred eighty-nine thousand, eight hundred forty-one".