38388347 has 4 divisors (see below), whose sum is σ = 38537976. Its totient is φ = 38238720.

The previous prime is 38388307. The next prime is 38388349. The reversal of 38388347 is 74388383.

38388347 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, and also an emirpimes, since its reverse is a distinct semiprime: 74388383 = 5479 ⋅13577.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38388347 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38388298 and 38388307.

It is not an unprimeable number, because it can be changed into a prime (38388349) 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, 74429 + ... + 74942.

It is an arithmetic number, because the mean of its divisors is an integer number (9634494).

Almost surely, 2^38388347 is an apocalyptic number.

38388347 is a deficient number, since it is larger than the sum of its proper divisors (149629).

38388347 is a wasteful number, since it uses less digits than its factorization.

38388347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149628.

The product of its digits is 387072, while the sum is 44.

The square root of 38388347 is about 6195.8330351939. The cubic root of 38388347 is about 337.3389358595.

The spelling of 38388347 in words is "thirty-eight million, three hundred eighty-eight thousand, three hundred forty-seven".