38348647 has 4 divisors (see below), whose sum is σ = 39240520. Its totient is φ = 37456776.

The previous prime is 38348633. The next prime is 38348671. The reversal of 38348647 is 74684383.

It is a happy number.

38348647 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38348647 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43), and also a Moran number because the ratio is a prime number: 891829 = 38348647 / (3 + 8 + 3 + 4 + 8 + 6 + 4 + 7).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38348677) 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 3 ways as a sum of consecutive naturals, for example, 445872 + ... + 445957.

It is an arithmetic number, because the mean of its divisors is an integer number (9810130).

Almost surely, 2^38348647 is an apocalyptic number.

38348647 is a deficient number, since it is larger than the sum of its proper divisors (891873).

38348647 is an equidigital number, since it uses as much as digits as its factorization.

38348647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891872.

The product of its digits is 387072, while the sum is 43.

The square root of 38348647 is about 6192.6284403313. The cubic root of 38348647 is about 337.2226073718. Note that the first 3 decimals are identical.

The spelling of 38348647 in words is "thirty-eight million, three hundred forty-eight thousand, six hundred forty-seven".