9889469 has 2 divisors, whose sum is σ = 9889470. Its totient is φ = 9889468.

The previous prime is 9889463. The next prime is 9889501. The reversal of 9889469 is 9649889.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5736025 + 4153444 = 2395^2 + 2038^2 .

It is a cyclic number.

It is not a de Polignac number, because 9889469 - 2²⁰ = 8840893 is a prime.

It is a super-2 number, since 2×9889469² = 195603194203922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9889469.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9889463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4944734 + 4944735.

It is an arithmetic number, because the mean of its divisors is an integer number (4944735).

Almost surely, 2^9889469 is an apocalyptic number.

It is an amenable number.

9889469 is a deficient number, since it is larger than the sum of its proper divisors (1).

9889469 is an equidigital number, since it uses as much as digits as its factorization.

9889469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1119744, while the sum is 53.

The square root of 9889469 is about 3144.7526134817. The cubic root of 9889469 is about 214.6467536257.

The spelling of 9889469 in words is "nine million, eight hundred eighty-nine thousand, four hundred sixty-nine".