38204305 has 4 divisors (see below), whose sum is σ = 45845172. Its totient is φ = 30563440.

The previous prime is 38204297. The next prime is 38204363. The reversal of 38204305 is 50340283.

38204305 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: 50340283 = 7 ⋅7191469.

It can be written as a sum of positive squares in 2 ways, for example, as 17918289 + 20286016 = 4233^2 + 4504^2 .

It is not a de Polignac number, because 38204305 - 2³ = 38204297 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38204305.

It is an unprimeable number.

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, 3820426 + ... + 3820435.

It is an arithmetic number, because the mean of its divisors is an integer number (11461293).

Almost surely, 2^38204305 is an apocalyptic number.

It is an amenable number.

38204305 is a deficient number, since it is larger than the sum of its proper divisors (7640867).

38204305 is an equidigital number, since it uses as much as digits as its factorization.

38204305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7640866.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 38204305 is about 6180.9631126549. The cubic root of 38204305 is about 336.7989802225.

Adding to 38204305 its reverse (50340283), we get a palindrome (88544588).

The spelling of 38204305 in words is "thirty-eight million, two hundred four thousand, three hundred five".