4821889 has 2 divisors, whose sum is σ = 4821890. Its totient is φ = 4821888.

The previous prime is 4821853. The next prime is 4821899. The reversal of 4821889 is 9881284.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4443664 + 378225 = 2108^2 + 615^2 .

It is a cyclic number.

It is not a de Polignac number, because 4821889 - 2¹⁷ = 4690817 is a prime.

It is a super-2 number, since 2×4821889² = 46501227056642, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4821899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2410944 + 2410945.

It is an arithmetic number, because the mean of its divisors is an integer number (2410945).

Almost surely, 2^4821889 is an apocalyptic number.

It is an amenable number.

4821889 is a deficient number, since it is larger than the sum of its proper divisors (1).

4821889 is an equidigital number, since it uses as much as digits as its factorization.

4821889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36864, while the sum is 40.

The square root of 4821889 is about 2195.8800058291. The cubic root of 4821889 is about 168.9425595204.

The spelling of 4821889 in words is "four million, eight hundred twenty-one thousand, eight hundred eighty-nine".