38745648 has 40 divisors (see below), whose sum is σ = 111215600. Its totient is φ = 12915072.

The previous prime is 38745643. The next prime is 38745649. The reversal of 38745648 is 84654783.

38745648 is a `hidden beast` number, since 3 + 87 + 4 + 564 + 8 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (38745643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44413 + ... + 45276.

It is an arithmetic number, because the mean of its divisors is an integer number (2780390).

Almost surely, 2^38745648 is an apocalyptic number.

It is an amenable number.

38745648 is an abundant number, since it is smaller than the sum of its proper divisors (72469952).

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

38745648 is a wasteful number, since it uses less digits than its factorization.

38745648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89706 (or 89694 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 38745648 is about 6224.6002281271. The cubic root of 38745648 is about 338.3823037877.

It can be divided in two parts, 38745 and 648, that added together give a palindrome (39393).

The spelling of 38745648 in words is "thirty-eight million, seven hundred forty-five thousand, six hundred forty-eight".