38855839 has 8 divisors (see below), whose sum is σ = 42440832. Its totient is φ = 35279640.

The previous prime is 38855827. The next prime is 38855849. The reversal of 38855839 is 93855883.

38855839 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 not a de Polignac number, because 38855839 - 2⁷ = 38855711 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38855792 and 38855801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38855849) 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, 10032 + ... + 13354.

It is an arithmetic number, because the mean of its divisors is an integer number (5305104).

Almost surely, 2^38855839 is an apocalyptic number.

38855839 is a deficient number, since it is larger than the sum of its proper divisors (3584993).

38855839 is a wasteful number, since it uses less digits than its factorization.

38855839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4397.

The product of its digits is 1036800, while the sum is 49.

The square root of 38855839 is about 6233.4451950747. The cubic root of 38855839 is about 338.7027818701.

The spelling of 38855839 in words is "thirty-eight million, eight hundred fifty-five thousand, eight hundred thirty-nine".