9389538 has 12 divisors (see below), whose sum is σ = 20344038. Its totient is φ = 3129840.

The previous prime is 9389531. The next prime is 9389551. The reversal of 9389538 is 8359839.

9389538 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 9381969 + 7569 = 3063^2 + 87^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 9389493 and 9389502.

It is not an unprimeable number, because it can be changed into a prime (9389531) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 260803 + ... + 260838.

Almost surely, 2^9389538 is an apocalyptic number.

9389538 is an abundant number, since it is smaller than the sum of its proper divisors (10954500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9389538 is a wasteful number, since it uses less digits than its factorization.

9389538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521649 (or 521646 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 9389538 is about 3064.2353042807. The cubic root of 9389538 is about 210.9671040261.

It can be divided in two parts, 938953 and 8, that added together give a square (938961 = 969²).

The spelling of 9389538 in words is "nine million, three hundred eighty-nine thousand, five hundred thirty-eight".