38539648 has 32 divisors (see below), whose sum is σ = 87748560. Its totient is φ = 16516608.

The previous prime is 38539621. The next prime is 38539649. The reversal of 38539648 is 84693583.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 38539598 and 38539607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38539649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20611 + ... + 22402.

Almost surely, 2^38539648 is an apocalyptic number.

It is an amenable number.

38539648 is an abundant number, since it is smaller than the sum of its proper divisors (49208912).

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

38539648 is an equidigital number, since it uses as much as digits as its factorization.

38539648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43034 (or 43022 counting only the distinct ones).

The product of its digits is 622080, while the sum is 46.

The square root of 38539648 is about 6208.0309277580. The cubic root of 38539648 is about 337.7815424839.

The spelling of 38539648 in words is "thirty-eight million, five hundred thirty-nine thousand, six hundred forty-eight".