38209005 has 24 divisors (see below), whose sum is σ = 67167360. Its totient is φ = 20089440.

The previous prime is 38208991. The next prime is 38209021. The reversal of 38209005 is 50090283.

38209005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38209005 - 2⁶ = 38208941 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38209005.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 2785 + ... + 9174.

It is an arithmetic number, because the mean of its divisors is an integer number (2798640).

Almost surely, 2^38209005 is an apocalyptic number.

It is an amenable number.

38209005 is a deficient number, since it is larger than the sum of its proper divisors (28958355).

38209005 is a wasteful number, since it uses less digits than its factorization.

38209005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12041 (or 12038 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 38209005 is about 6181.3433006103. The cubic root of 38209005 is about 336.8127909724.

Adding to 38209005 its reverse (50090283), we get a palindrome (88299288).

The spelling of 38209005 in words is "thirty-eight million, two hundred nine thousand, five".