38385993 has 8 divisors (see below), whose sum is σ = 51233728. Its totient is φ = 25564464.

The previous prime is 38385979. The next prime is 38386001. The reversal of 38385993 is 39958383.

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

It is not a de Polignac number, because 38385993 - 2⁵ = 38385961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38385943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2830 + ... + 9207.

It is an arithmetic number, because the mean of its divisors is an integer number (6404216).

Almost surely, 2^38385993 is an apocalyptic number.

It is an amenable number.

38385993 is a deficient number, since it is larger than the sum of its proper divisors (12847735).

38385993 is a wasteful number, since it uses less digits than its factorization.

38385993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13103.

The product of its digits is 699840, while the sum is 48.

The square root of 38385993 is about 6195.6430658972. The cubic root of 38385993 is about 337.3320404329.

The spelling of 38385993 in words is "thirty-eight million, three hundred eighty-five thousand, nine hundred ninety-three".