38775939 has 4 divisors (see below), whose sum is σ = 51701256. Its totient is φ = 25850624.

The previous prime is 38775937. The next prime is 38775967. The reversal of 38775939 is 93957783.

It is a happy number.

38775939 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 not a de Polignac number, because 38775939 - 2¹ = 38775937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38775891 and 38775900.

It is not an unprimeable number, because it can be changed into a prime (38775937) 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, 6462654 + ... + 6462659.

It is an arithmetic number, because the mean of its divisors is an integer number (12925314).

Almost surely, 2^38775939 is an apocalyptic number.

38775939 is a deficient number, since it is larger than the sum of its proper divisors (12925317).

38775939 is a wasteful number, since it uses less digits than its factorization.

38775939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12925316.

The product of its digits is 1428840, while the sum is 51.

The square root of 38775939 is about 6227.0329210628. The cubic root of 38775939 is about 338.4704622343.

The spelling of 38775939 in words is "thirty-eight million, seven hundred seventy-five thousand, nine hundred thirty-nine".