38538289 has 8 divisors (see below), whose sum is σ = 40733280. Its totient is φ = 36360000.

The previous prime is 38538287. The next prime is 38538293. The reversal of 38538289 is 98283583.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38538289 - 2¹ = 38538287 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38538281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 729 + ... + 8809.

It is an arithmetic number, because the mean of its divisors is an integer number (5091660).

Almost surely, 2^38538289 is an apocalyptic number.

It is an amenable number.

38538289 is a deficient number, since it is larger than the sum of its proper divisors (2194991).

38538289 is a wasteful number, since it uses less digits than its factorization.

38538289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8351.

The product of its digits is 414720, while the sum is 46.

The square root of 38538289 is about 6207.9214717971. The cubic root of 38538289 is about 337.7775721094. Note that the first 3 decimals are identical.

The spelling of 38538289 in words is "thirty-eight million, five hundred thirty-eight thousand, two hundred eighty-nine".