9538889 has 2 divisors, whose sum is σ = 9538890. Its totient is φ = 9538888.

The previous prime is 9538877. The next prime is 9538897. The reversal of 9538889 is 9888359.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6760000 + 2778889 = 2600^2 + 1667^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9538889 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9538829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4769444 + 4769445.

It is an arithmetic number, because the mean of its divisors is an integer number (4769445).

Almost surely, 2^9538889 is an apocalyptic number.

It is an amenable number.

9538889 is a deficient number, since it is larger than the sum of its proper divisors (1).

9538889 is an equidigital number, since it uses as much as digits as its factorization.

9538889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 622080, while the sum is 50.

The square root of 9538889 is about 3088.5091872941. The cubic root of 9538889 is about 212.0797804038.

The spelling of 9538889 in words is "nine million, five hundred thirty-eight thousand, eight hundred eighty-nine".