38805306 has 16 divisors (see below), whose sum is σ = 80287200. Its totient is φ = 12489008.

The previous prime is 38805293. The next prime is 38805313. The reversal of 38805306 is 60350883.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111336 + ... + 111683.

It is an arithmetic number, because the mean of its divisors is an integer number (5017950).

Almost surely, 2^38805306 is an apocalyptic number.

38805306 is an abundant number, since it is smaller than the sum of its proper divisors (41481894).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38805306 is a wasteful number, since it uses less digits than its factorization.

38805306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223053.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 38805306 is about 6229.3904998804. The cubic root of 38805306 is about 338.5558876643. Note that the first 3 decimals are identical.

The spelling of 38805306 in words is "thirty-eight million, eight hundred five thousand, three hundred six".