4864889 has 2 divisors, whose sum is σ = 4864890. Its totient is φ = 4864888.

The previous prime is 4864859. The next prime is 4864897. The reversal of 4864889 is 9884684.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4804864 + 60025 = 2192^2 + 245^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4864889 is a prime.

It is not a weakly prime, because it can be changed into another prime (4864859) 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, 2432444 + 2432445.

It is an arithmetic number, because the mean of its divisors is an integer number (2432445).

Almost surely, 2^4864889 is an apocalyptic number.

It is an amenable number.

4864889 is a deficient number, since it is larger than the sum of its proper divisors (1).

4864889 is an equidigital number, since it uses as much as digits as its factorization.

4864889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 442368, while the sum is 47.

The square root of 4864889 is about 2205.6493374968. The cubic root of 4864889 is about 169.4432652391.

The spelling of 4864889 in words is "four million, eight hundred sixty-four thousand, eight hundred eighty-nine".