38765418 has 32 divisors (see below), whose sum is σ = 81587520. Its totient is φ = 12263040.

The previous prime is 38765393. The next prime is 38765437. The reversal of 38765418 is 81456783.

38765418 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 38765418.

It is an unprimeable number.

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, 6973 + ... + 11231.

It is an arithmetic number, because the mean of its divisors is an integer number (2549610).

Almost surely, 2^38765418 is an apocalyptic number.

38765418 is an abundant number, since it is smaller than the sum of its proper divisors (42822102).

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

38765418 is a wasteful number, since it uses less digits than its factorization.

38765418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4342.

The product of its digits is 161280, while the sum is 42.

The square root of 38765418 is about 6226.1880793950. The cubic root of 38765418 is about 338.4398472881.

The spelling of 38765418 in words is "thirty-eight million, seven hundred sixty-five thousand, four hundred eighteen".