38784530 has 16 divisors (see below), whose sum is σ = 70364160. Its totient is φ = 15391152.

The previous prime is 38784527. The next prime is 38784533. The reversal of 38784530 is 3548783.

It is a happy number.

38784530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (38784527) and next prime (38784533).

It is not an unprimeable number, because it can be changed into a prime (38784533) 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, 14000 + ... + 16539.

It is an arithmetic number, because the mean of its divisors is an integer number (4397760).

Almost surely, 2^38784530 is an apocalyptic number.

38784530 is a deficient number, since it is larger than the sum of its proper divisors (31579630).

38784530 is a wasteful number, since it uses less digits than its factorization.

38784530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30673.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 38784530 is about 6227.7226977443. The cubic root of 38784530 is about 338.4954569870.

The spelling of 38784530 in words is "thirty-eight million, seven hundred eighty-four thousand, five hundred thirty".