38805975 has 36 divisors (see below), whose sum is σ = 74858056. Its totient is φ = 19103040.

The previous prime is 38805959. The next prime is 38805979. The reversal of 38805975 is 57950883.

It is not a de Polignac number, because 38805975 - 2⁴ = 38805959 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 38805975.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38805979) 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 35 ways as a sum of consecutive naturals, for example, 3709 + ... + 9558.

Almost surely, 2^38805975 is an apocalyptic number.

38805975 is a deficient number, since it is larger than the sum of its proper divisors (36052081).

38805975 is a wasteful number, since it uses less digits than its factorization.

38805975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13296 (or 13288 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The square root of 38805975 is about 6229.4441967161. Note that the first 3 decimals coincide. The cubic root of 38805975 is about 338.5578332109.

The spelling of 38805975 in words is "thirty-eight million, eight hundred five thousand, nine hundred seventy-five".