38718764 has 24 divisors (see below), whose sum is σ = 78597120. Its totient is φ = 16345296.

The previous prime is 38718763. The next prime is 38718767. The reversal of 38718764 is 46781783.

38718764 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (38718763) 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 7 ways as a sum of consecutive naturals, for example, 8444 + ... + 12195.

It is an arithmetic number, because the mean of its divisors is an integer number (3274880).

Almost surely, 2^38718764 is an apocalyptic number.

It is an amenable number.

38718764 is an abundant number, since it is smaller than the sum of its proper divisors (39878356).

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

38718764 is a wasteful number, since it uses less digits than its factorization.

38718764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20717 (or 20715 counting only the distinct ones).

The product of its digits is 225792, while the sum is 44.

The square root of 38718764 is about 6222.4403572875. The cubic root of 38718764 is about 338.3040225254.

The spelling of 38718764 in words is "thirty-eight million, seven hundred eighteen thousand, seven hundred sixty-four".