38818047 has 8 divisors (see below), whose sum is σ = 52634880. Its totient is φ = 25439960.

The previous prime is 38818027. The next prime is 38818063. The reversal of 38818047 is 74081883.

38818047 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 38818047 - 2⁸ = 38817791 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38817996 and 38818014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38818027) 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, 109479 + ... + 109832.

It is an arithmetic number, because the mean of its divisors is an integer number (6579360).

Almost surely, 2^38818047 is an apocalyptic number.

38818047 is a deficient number, since it is larger than the sum of its proper divisors (13816833).

38818047 is a wasteful number, since it uses less digits than its factorization.

38818047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219373.

The product of its (nonzero) digits is 43008, while the sum is 39.

The square root of 38818047 is about 6230.4130681681. The cubic root of 38818047 is about 338.5929364514.

The spelling of 38818047 in words is "thirty-eight million, eight hundred eighteen thousand, forty-seven".