38208405 has 16 divisors (see below), whose sum is σ = 63792000. Its totient is φ = 19491648.

The previous prime is 38208361. The next prime is 38208407. The reversal of 38208405 is 50480283.

It is not a de Polignac number, because 38208405 - 2⁷ = 38208277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38208407) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 55030 + ... + 55719.

It is an arithmetic number, because the mean of its divisors is an integer number (3987000).

Almost surely, 2^38208405 is an apocalyptic number.

It is an amenable number.

38208405 is a deficient number, since it is larger than the sum of its proper divisors (25583595).

38208405 is a wasteful number, since it uses less digits than its factorization.

38208405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110780.

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 38208405 is about 6181.2947672797. The cubic root of 38208405 is about 336.8110279610.

Adding to 38208405 its reverse (50480283), we get a palindrome (88688688).

The spelling of 38208405 in words is "thirty-eight million, two hundred eight thousand, four hundred five".