38538665 has 8 divisors (see below), whose sum is σ = 50450688. Its totient is φ = 28028080.

The previous prime is 38538659. The next prime is 38538679. The reversal of 38538665 is 56683583.

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

It is not a de Polignac number, because 38538665 - 2¹² = 38534569 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

It is an unprimeable number.

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, 350297 + ... + 350406.

It is an arithmetic number, because the mean of its divisors is an integer number (6306336).

Almost surely, 2^38538665 is an apocalyptic number.

It is an amenable number.

38538665 is a deficient number, since it is larger than the sum of its proper divisors (11912023).

38538665 is a wasteful number, since it uses less digits than its factorization.

38538665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700719.

The product of its digits is 518400, while the sum is 44.

The square root of 38538665 is about 6207.9517556115. The cubic root of 38538665 is about 337.7786706182.

The spelling of 38538665 in words is "thirty-eight million, five hundred thirty-eight thousand, six hundred sixty-five".