38966 has 4 divisors (see below), whose sum is σ = 58452. Its totient is φ = 19482.

The previous prime is 38959. The next prime is 38971. The reversal of 38966 is 66983.

It is a happy number.

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

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 38966.

It is an unprimeable number.

38966 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9740 + ... + 9743.

It is an arithmetic number, because the mean of its divisors is an integer number (14613).

2³⁸⁹⁶⁶ is an apocalyptic number.

38966 is a deficient number, since it is larger than the sum of its proper divisors (19486).

38966 is a wasteful number, since it uses less digits than its factorization.

38966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19485.

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

The square root of 38966 is about 197.3980749653. The cubic root of 38966 is about 33.9022567625.

The spelling of 38966 in words is "thirty-eight thousand, nine hundred sixty-six".