38805147 has 24 divisors (see below), whose sum is σ = 58033248. Its totient is φ = 24969600.

The previous prime is 38805139. The next prime is 38805167. The reversal of 38805147 is 74150883.

It is not a de Polignac number, because 38805147 - 2³ = 38805139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38805167) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37497 + ... + 38517.

It is an arithmetic number, because the mean of its divisors is an integer number (2418052).

Almost surely, 2^38805147 is an apocalyptic number.

38805147 is a deficient number, since it is larger than the sum of its proper divisors (19228101).

38805147 is a wasteful number, since it uses less digits than its factorization.

38805147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1171 (or 1168 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 38805147 is about 6229.3777377841. The cubic root of 38805147 is about 338.5554252666. Note that the first 3 decimals are identical.

The spelling of 38805147 in words is "thirty-eight million, eight hundred five thousand, one hundred forty-seven".