38665683 has 12 divisors (see below), whose sum is σ = 63829168. Its totient is φ = 22094640.

The previous prime is 38665661. The next prime is 38665699. The reversal of 38665683 is 38656683.

38665683 is a `hidden beast` number, since 3 + 86 + 6 + 568 + 3 = 666.

It is not a de Polignac number, because 38665683 - 2⁶ = 38665619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38665603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 306808 + ... + 306933.

Almost surely, 2^38665683 is an apocalyptic number.

38665683 is a deficient number, since it is larger than the sum of its proper divisors (25163485).

38665683 is a wasteful number, since it uses less digits than its factorization.

38665683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613754 (or 613751 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 38665683 is about 6218.1736064539. The cubic root of 38665683 is about 338.1493539494.

The spelling of 38665683 in words is "thirty-eight million, six hundred sixty-five thousand, six hundred eighty-three".