38845386 has 32 divisors (see below), whose sum is σ = 90868800. Its totient is φ = 12266640.

The previous prime is 38845381. The next prime is 38845393. The reversal of 38845386 is 68354883.

38845386 is a `hidden beast` number, since 38 + 84 + 538 + 6 = 666.

38845386 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (38845381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17905 + ... + 19956.

It is an arithmetic number, because the mean of its divisors is an integer number (2839650).

Almost surely, 2^38845386 is an apocalyptic number.

38845386 is an abundant number, since it is smaller than the sum of its proper divisors (52023414).

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

38845386 is a wasteful number, since it uses less digits than its factorization.

38845386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37891 (or 37885 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The square root of 38845386 is about 6232.6066777874. The cubic root of 38845386 is about 338.6724065323.

The spelling of 38845386 in words is "thirty-eight million, eight hundred forty-five thousand, three hundred eighty-six".