38865693 has 4 divisors (see below), whose sum is σ = 51820928. Its totient is φ = 25910460.

The previous prime is 38865649. The next prime is 38865703. The reversal of 38865693 is 39656883.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 38865693 - 2⁹ = 38865181 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38865623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6477613 + ... + 6477618.

It is an arithmetic number, because the mean of its divisors is an integer number (12955232).

Almost surely, 2^38865693 is an apocalyptic number.

It is an amenable number.

38865693 is a deficient number, since it is larger than the sum of its proper divisors (12955235).

38865693 is a wasteful number, since it uses less digits than its factorization.

38865693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12955234.

The product of its digits is 933120, while the sum is 48.

The square root of 38865693 is about 6234.2355585910. The cubic root of 38865693 is about 338.7314115879.

The spelling of 38865693 in words is "thirty-eight million, eight hundred sixty-five thousand, six hundred ninety-three".