39671648 has 12 divisors (see below), whose sum is σ = 78103620. Its totient is φ = 19835808.

The previous prime is 39671633. The next prime is 39671651. The reversal of 39671648 is 84617693.

39671648 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 a junction number, because it is equal to n+sod(n) for n = 39671599 and 39671608.

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 as a sum of consecutive naturals, namely, 619838 + ... + 619901.

It is an arithmetic number, because the mean of its divisors is an integer number (6508635).

Almost surely, 2^39671648 is an apocalyptic number.

It is an amenable number.

39671648 is a deficient number, since it is larger than the sum of its proper divisors (38431972).

39671648 is a wasteful number, since it uses less digits than its factorization.

39671648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1239749 (or 1239741 counting only the distinct ones).

The product of its digits is 217728, while the sum is 44.

The square root of 39671648 is about 6298.5433236583. The cubic root of 39671648 is about 341.0568269859.

The spelling of 39671648 in words is "thirty-nine million, six hundred seventy-one thousand, six hundred forty-eight".