9623869 has 2 divisors, whose sum is σ = 9623870. Its totient is φ = 9623868.

The previous prime is 9623863. The next prime is 9623881. The reversal of 9623869 is 9683269.

9623869 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5583769 + 4040100 = 2363^2 + 2010^2 .

It is a cyclic number.

It is not a de Polignac number, because 9623869 - 2¹⁷ = 9492797 is a prime.

It is a super-2 number, since 2×9623869² = 185237709058322, which contains 22 as substring.

9623869 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9623863) 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, 4811934 + 4811935.

It is an arithmetic number, because the mean of its divisors is an integer number (4811935).

Almost surely, 2^9623869 is an apocalyptic number.

It is an amenable number.

9623869 is a deficient number, since it is larger than the sum of its proper divisors (1).

9623869 is an equidigital number, since it uses as much as digits as its factorization.

9623869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 139968, while the sum is 43.

The square root of 9623869 is about 3102.2361289882. The cubic root of 9623869 is about 212.7077110906.

The spelling of 9623869 in words is "nine million, six hundred twenty-three thousand, eight hundred sixty-nine".