38669 has 2 divisors, whose sum is σ = 38670. Its totient is φ = 38668.

The previous prime is 38653. The next prime is 38671. The reversal of 38669 is 96683.

It is a happy number.

38669 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26569 + 12100 = 163^2 + 110^2 .

It is a cyclic number.

It is not a de Polignac number, because 38669 - 2⁴ = 38653 is a prime.

It is a super-2 number, since 2×38669² = 2990583122, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 38671, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 38669.

It is not a weakly prime, because it can be changed into another prime (38609) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19334 + 19335.

It is an arithmetic number, because the mean of its divisors is an integer number (19335).

2³⁸⁶⁶⁹ is an apocalyptic number.

It is an amenable number.

38669 is a deficient number, since it is larger than the sum of its proper divisors (1).

38669 is an equidigital number, since it uses as much as digits as its factorization.

38669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 32.

The square root of 38669 is about 196.6443490162. The cubic root of 38669 is about 33.8159023241.

It can be divided in two parts, 38 and 669, that added together give a palindrome (707).

The spelling of 38669 in words is "thirty-eight thousand, six hundred sixty-nine".