39884648 has 16 divisors (see below), whose sum is σ = 78720000. Its totient is φ = 18892656.

The previous prime is 39884639. The next prime is 39884671. The reversal of 39884648 is 84648893.

It is a junction number, because it is equal to n+sod(n) for n = 39884596 and 39884605.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131048 + ... + 131351.

It is an arithmetic number, because the mean of its divisors is an integer number (4920000).

Almost surely, 2^39884648 is an apocalyptic number.

39884648 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

39884648 is a deficient number, since it is larger than the sum of its proper divisors (38835352).

39884648 is a wasteful number, since it uses less digits than its factorization.

39884648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262424 (or 262420 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 50.

The square root of 39884648 is about 6315.4293599090. The cubic root of 39884648 is about 341.6661242374. Note that the first 3 decimals are identical.

The spelling of 39884648 in words is "thirty-nine million, eight hundred eighty-four thousand, six hundred forty-eight".