38928575 has 24 divisors (see below), whose sum is σ = 55517280. Its totient is φ = 26524800.

The previous prime is 38928569. The next prime is 38928583. The reversal of 38928575 is 57582983.

It is not a de Polignac number, because 38928575 - 2⁸ = 38928319 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31061 + ... + 32289.

It is an arithmetic number, because the mean of its divisors is an integer number (2313220).

Almost surely, 2^38928575 is an apocalyptic number.

38928575 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

38928575 is a deficient number, since it is larger than the sum of its proper divisors (16588705).

38928575 is a wasteful number, since it uses less digits than its factorization.

38928575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1427 (or 1422 counting only the distinct ones).

The product of its digits is 604800, while the sum is 47.

The square root of 38928575 is about 6239.2768010403. The cubic root of 38928575 is about 338.9139944772.

The spelling of 38928575 in words is "thirty-eight million, nine hundred twenty-eight thousand, five hundred seventy-five".