38385971 has 8 divisors (see below), whose sum is σ = 42300720. Its totient is φ = 34608672.

The previous prime is 38385961. The next prime is 38385973. The reversal of 38385971 is 17958383.

It is a happy number.

38385971 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 38385971 - 2¹⁴ = 38369587 is a prime.

It is a super-2 number, since 2×38385971² = 2946965539225682, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38385973) 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, 33776 + ... + 34893.

It is an arithmetic number, because the mean of its divisors is an integer number (5287590).

Almost surely, 2^38385971 is an apocalyptic number.

38385971 is a deficient number, since it is larger than the sum of its proper divisors (3914749).

38385971 is a wasteful number, since it uses less digits than its factorization.

38385971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68725.

The product of its digits is 181440, while the sum is 44.

The square root of 38385971 is about 6195.6412904557. The cubic root of 38385971 is about 337.3319759884.

The spelling of 38385971 in words is "thirty-eight million, three hundred eighty-five thousand, nine hundred seventy-one".