38660766 has 8 divisors (see below), whose sum is σ = 77321544. Its totient is φ = 12886920.

The previous prime is 38660761. The next prime is 38660773. The reversal of 38660766 is 66706683.

It is a sphenic number, since it is the product of 3 distinct primes.

38660766 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38660761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3221725 + ... + 3221736.

It is an arithmetic number, because the mean of its divisors is an integer number (9665193).

Almost surely, 2^38660766 is an apocalyptic number.

38660766 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38660766 is a wasteful number, since it uses less digits than its factorization.

38660766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6443466.

The product of its (nonzero) digits is 217728, while the sum is 42.

The square root of 38660766 is about 6217.7782205543. The cubic root of 38660766 is about 338.1350195256.

The spelling of 38660766 in words is "thirty-eight million, six hundred sixty thousand, seven hundred sixty-six".