9538989 has 16 divisors (see below), whose sum is σ = 13530240. Its totient is φ = 5957120.

The previous prime is 9538987. The next prime is 9539003. The reversal of 9538989 is 9898359.

9538989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 9538989 - 2¹ = 9538987 is a prime.

It is a super-2 number, since 2×9538989² = 181984622284242, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9538981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18049 + ... + 18569.

It is an arithmetic number, because the mean of its divisors is an integer number (845640).

Almost surely, 2^9538989 is an apocalyptic number.

It is an amenable number.

9538989 is a deficient number, since it is larger than the sum of its proper divisors (3991251).

9538989 is a wasteful number, since it uses less digits than its factorization.

9538989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900.

The product of its digits is 699840, while the sum is 51.

The square root of 9538989 is about 3088.5253762921. The cubic root of 9538989 is about 212.0805215070.

The spelling of 9538989 in words is "nine million, five hundred thirty-eight thousand, nine hundred eighty-nine".