38538355 has 8 divisors (see below), whose sum is σ = 47230272. Its totient is φ = 30174528.

The previous prime is 38538347. The next prime is 38538359. The reversal of 38538355 is 55383583.

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 38538355 - 2³ = 38538347 is a prime.

It is a super-2 number, since 2×38538355² = 2970409612212050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38538359) 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 7 ways as a sum of consecutive naturals, for example, 81762 + ... + 82231.

It is an arithmetic number, because the mean of its divisors is an integer number (5903784).

Almost surely, 2^38538355 is an apocalyptic number.

38538355 is a deficient number, since it is larger than the sum of its proper divisors (8691917).

38538355 is a wasteful number, since it uses less digits than its factorization.

38538355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164045.

The product of its digits is 216000, while the sum is 40.

The square root of 38538355 is about 6207.9267875838. The cubic root of 38538355 is about 337.7777649333. Note that the first 4 decimals are identical.

It can be divided in two parts, 3 and 8538355, that added together give a palindrome (8538358).

The spelling of 38538355 in words is "thirty-eight million, five hundred thirty-eight thousand, three hundred fifty-five".