9438539 has 16 divisors (see below), whose sum is σ = 10782720. Its totient is φ = 8184000.

The previous prime is 9438529. The next prime is 9438563. The reversal of 9438539 is 9358349.

It is not a de Polignac number, because 9438539 - 2⁴ = 9438523 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9438496 and 9438505.

It is not an unprimeable number, because it can be changed into a prime (9438529) 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, 30194 + ... + 30504.

It is an arithmetic number, because the mean of its divisors is an integer number (673920).

Almost surely, 2^9438539 is an apocalyptic number.

9438539 is a deficient number, since it is larger than the sum of its proper divisors (1344181).

9438539 is a wasteful number, since it uses less digits than its factorization.

9438539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442.

The product of its digits is 116640, while the sum is 41.

The square root of 9438539 is about 3072.2205324488. The cubic root of 9438539 is about 211.3334574486. Note that the first 3 decimals are identical.

The spelling of 9438539 in words is "nine million, four hundred thirty-eight thousand, five hundred thirty-nine".