38204505 has 24 divisors (see below), whose sum is σ = 66715272. Its totient is φ = 20223744.

The previous prime is 38204503. The next prime is 38204519. The reversal of 38204505 is 50540283.

38204505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3594816 + 34609689 = 1896^2 + 5883^2 .

It is not a de Polignac number, because 38204505 - 2¹ = 38204503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38204503) 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 23 ways as a sum of consecutive naturals, for example, 3067 + ... + 9263.

It is an arithmetic number, because the mean of its divisors is an integer number (2779803).

Almost surely, 2^38204505 is an apocalyptic number.

It is an amenable number.

38204505 is a deficient number, since it is larger than the sum of its proper divisors (28510767).

38204505 is a wasteful number, since it uses less digits than its factorization.

38204505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6345 (or 6342 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 38204505 is about 6180.9792913421. The cubic root of 38204505 is about 336.7995679371.

Adding to 38204505 its reverse (50540283), we get a palindrome (88744788).

The spelling of 38204505 in words is "thirty-eight million, two hundred four thousand, five hundred five".