38928379 has 8 divisors (see below), whose sum is σ = 44529120. Its totient is φ = 33337536.

The previous prime is 38928371. The next prime is 38928389. The reversal of 38928379 is 97382983.

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 38928379 - 2³ = 38928371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38928371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10527 + ... + 13735.

It is an arithmetic number, because the mean of its divisors is an integer number (5566140).

Almost surely, 2^38928379 is an apocalyptic number.

38928379 is a deficient number, since it is larger than the sum of its proper divisors (5600741).

38928379 is a wasteful number, since it uses less digits than its factorization.

38928379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4949.

The product of its digits is 653184, while the sum is 49.

The square root of 38928379 is about 6239.2610940720. The cubic root of 38928379 is about 338.9134256812.

The spelling of 38928379 in words is "thirty-eight million, nine hundred twenty-eight thousand, three hundred seventy-nine".