38806005 has 16 divisors (see below), whose sum is σ = 70959744. Its totient is φ = 17739840.

The previous prime is 38806003. The next prime is 38806013. The reversal of 38806005 is 50060883.

It is not a de Polignac number, because 38806005 - 2¹ = 38806003 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38806003) 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, 184686 + ... + 184895.

It is an arithmetic number, because the mean of its divisors is an integer number (4434984).

Almost surely, 2^38806005 is an apocalyptic number.

38806005 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

38806005 is a deficient number, since it is larger than the sum of its proper divisors (32153739).

38806005 is a wasteful number, since it uses less digits than its factorization.

38806005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369596.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 38806005 is about 6229.4466046351. The cubic root of 38806005 is about 338.5579204546.

Adding to 38806005 its reverse (50060883), we get a palindrome (88866888).

The spelling of 38806005 in words is "thirty-eight million, eight hundred six thousand, five".