38928299 has 2 divisors, whose sum is σ = 38928300. Its totient is φ = 38928298.

The previous prime is 38928289. The next prime is 38928301. The reversal of 38928299 is 99282983.

It is a strong prime.

It is an emirp because it is prime and its reverse (99282983) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38928299 - 2²⁴ = 22151083 is a prime.

Together with 38928301, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (38928209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19464149 + 19464150.

It is an arithmetic number, because the mean of its divisors is an integer number (19464150).

Almost surely, 2^38928299 is an apocalyptic number.

38928299 is a deficient number, since it is larger than the sum of its proper divisors (1).

38928299 is an equidigital number, since it uses as much as digits as its factorization.

38928299 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 559872, while the sum is 50.

The square root of 38928299 is about 6239.2546830531. The cubic root of 38928299 is about 338.9131935190.

The spelling of 38928299 in words is "thirty-eight million, nine hundred twenty-eight thousand, two hundred ninety-nine".