38688534 has 24 divisors (see below), whose sum is σ = 84029400. Its totient is φ = 12864768.

The previous prime is 38688521. The next prime is 38688571. The reversal of 38688534 is 43588683.

38688534 is a `hidden beast` number, since 38 + 6 + 88 + 534 = 666.

38688534 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 38688534.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 5689 + ... + 10475.

It is an arithmetic number, because the mean of its divisors is an integer number (3501225).

Almost surely, 2^38688534 is an apocalyptic number.

38688534 is an abundant number, since it is smaller than the sum of its proper divisors (45340866).

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

38688534 is a wasteful number, since it uses less digits than its factorization.

38688534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5244 (or 5241 counting only the distinct ones).

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

The square root of 38688534 is about 6220.0107716949. The cubic root of 38688534 is about 338.2159550332.

The spelling of 38688534 in words is "thirty-eight million, six hundred eighty-eight thousand, five hundred thirty-four".