9623881 has 2 divisors, whose sum is σ = 9623882. Its totient is φ = 9623880.

The previous prime is 9623869. The next prime is 9623891. The reversal of 9623881 is 1883269.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5856400 + 3767481 = 2420^2 + 1941^2 .

It is a cyclic number.

It is not a de Polignac number, because 9623881 - 2⁷ = 9623753 is a prime.

It is a super-2 number, since 2×9623881² = 185238171004322, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9623881.

It is not a weakly prime, because it can be changed into another prime (9623891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4811940 + 4811941.

It is an arithmetic number, because the mean of its divisors is an integer number (4811941).

Almost surely, 2^9623881 is an apocalyptic number.

It is an amenable number.

9623881 is a deficient number, since it is larger than the sum of its proper divisors (1).

9623881 is an equidigital number, since it uses as much as digits as its factorization.

9623881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 37.

The square root of 9623881 is about 3102.2380630764. The cubic root of 9623881 is about 212.7077994990.

The spelling of 9623881 in words is "nine million, six hundred twenty-three thousand, eight hundred eighty-one".