38891227 has 8 divisors (see below), whose sum is σ = 39654720. Its totient is φ = 38134920.

The previous prime is 38891219. The next prime is 38891239. The reversal of 38891227 is 72219883.

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 38891227 - 2³ = 38891219 is a prime.

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 38891227.

It is not an unprimeable number, because it can be changed into a prime (38891287) by changing a digit.

It is an upside-down number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9852 + ... + 13222.

It is an arithmetic number, because the mean of its divisors is an integer number (4956840).

Almost surely, 2^38891227 is an apocalyptic number.

38891227 is a deficient number, since it is larger than the sum of its proper divisors (763493).

38891227 is a wasteful number, since it uses less digits than its factorization.

38891227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3593.

The product of its digits is 48384, while the sum is 40.

The square root of 38891227 is about 6236.2831077494. The cubic root of 38891227 is about 338.8055753192.

The spelling of 38891227 in words is "thirty-eight million, eight hundred ninety-one thousand, two hundred twenty-seven".