8469889 has 2 divisors, whose sum is σ = 8469890. Its totient is φ = 8469888.

The previous prime is 8469871. The next prime is 8469899. The reversal of 8469889 is 9889648.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7049025 + 1420864 = 2655^2 + 1192^2 .

It is a cyclic number.

It is not a de Polignac number, because 8469889 - 2¹³ = 8461697 is a prime.

It is not a weakly prime, because it can be changed into another prime (8469809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4234944 + 4234945.

It is an arithmetic number, because the mean of its divisors is an integer number (4234945).

Almost surely, 2^8469889 is an apocalyptic number.

It is an amenable number.

8469889 is a deficient number, since it is larger than the sum of its proper divisors (1).

8469889 is an equidigital number, since it uses as much as digits as its factorization.

8469889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 995328, while the sum is 52.

The square root of 8469889 is about 2910.3073720829. The cubic root of 8469889 is about 203.8414842537.

The spelling of 8469889 in words is "eight million, four hundred sixty-nine thousand, eight hundred eighty-nine".