9538381 has 4 divisors (see below), whose sum is σ = 9659200. Its totient is φ = 9417564.

The previous prime is 9538367. The next prime is 9538391. The reversal of 9538381 is 1838359.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1838359 = 73 ⋅25183.

It is a cyclic number.

It is not a de Polignac number, because 9538381 - 2¹⁷ = 9407309 is a prime.

It is a super-2 number, since 2×9538381² = 181961424202322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9538381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9538391) 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 in 3 ways as a sum of consecutive naturals, for example, 60291 + ... + 60448.

It is an arithmetic number, because the mean of its divisors is an integer number (2414800).

Almost surely, 2^9538381 is an apocalyptic number.

It is an amenable number.

9538381 is a deficient number, since it is larger than the sum of its proper divisors (120819).

9538381 is a wasteful number, since it uses less digits than its factorization.

9538381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120818.

The product of its digits is 25920, while the sum is 37.

The square root of 9538381 is about 3088.4269458739. The cubic root of 9538381 is about 212.0760155195.

The spelling of 9538381 in words is "nine million, five hundred thirty-eight thousand, three hundred eighty-one".