38066239 has 4 divisors (see below), whose sum is σ = 38090056. Its totient is φ = 38042424.

The previous prime is 38066221. The next prime is 38066293. The reversal of 38066239 is 93266083.

It is a happy number.

38066239 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38066239 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38066198 and 38066207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38066209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9324 + ... + 12769.

It is an arithmetic number, because the mean of its divisors is an integer number (9522514).

Almost surely, 2^38066239 is an apocalyptic number.

38066239 is a deficient number, since it is larger than the sum of its proper divisors (23817).

38066239 is a wasteful number, since it uses less digits than its factorization.

38066239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23816.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 38066239 is about 6169.7843560371. The cubic root of 38066239 is about 336.3927728020.

The spelling of 38066239 in words is "thirty-eight million, sixty-six thousand, two hundred thirty-nine".