38866 has 4 divisors (see below), whose sum is σ = 58302. Its totient is φ = 19432.

The previous prime is 38861. The next prime is 38867. The reversal of 38866 is 66883.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 38025 + 841 = 195^2 + 29^2 .

It is not an unprimeable number, because it can be changed into a prime (38861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9715 + ... + 9718.

2³⁸⁸⁶⁶ is an apocalyptic number.

38866 is a deficient number, since it is larger than the sum of its proper divisors (19436).

38866 is a wasteful number, since it uses less digits than its factorization.

38866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19435.

The product of its digits is 6912, while the sum is 31.

The square root of 38866 is about 197.1446169694. The cubic root of 38866 is about 33.8732303465.

It can be divided in two parts, 388 and 66, that added together give a palindrome (454).

The spelling of 38866 in words is "thirty-eight thousand, eight hundred sixty-six".