38109693 has 8 divisors (see below), whose sum is σ = 51674400. Its totient is φ = 24975728.

The previous prime is 38109677. The next prime is 38109707. The reversal of 38109693 is 39690183.

38109693 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 38109693 - 2⁴ = 38109677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38109293) 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 7 ways as a sum of consecutive naturals, for example, 107478 + ... + 107831.

It is an arithmetic number, because the mean of its divisors is an integer number (6459300).

Almost surely, 2^38109693 is an apocalyptic number.

It is an amenable number.

38109693 is a deficient number, since it is larger than the sum of its proper divisors (13564707).

38109693 is a wasteful number, since it uses less digits than its factorization.

38109693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215371.

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 38109693 is about 6173.3048685449. The cubic root of 38109693 is about 336.5207256659.

The spelling of 38109693 in words is "thirty-eight million, one hundred nine thousand, six hundred ninety-three".