39648446 has 8 divisors (see below), whose sum is σ = 59838024. Its totient is φ = 19702440.

The previous prime is 39648443. The next prime is 39648461. The reversal of 39648446 is 64484693.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 39648397 and 39648406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39648443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60485 + ... + 61136.

It is an arithmetic number, because the mean of its divisors is an integer number (7479753).

Almost surely, 2^39648446 is an apocalyptic number.

39648446 is a deficient number, since it is larger than the sum of its proper divisors (20189578).

39648446 is a wasteful number, since it uses less digits than its factorization.

39648446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121786.

The product of its digits is 497664, while the sum is 44.

The square root of 39648446 is about 6296.7011998347. The cubic root of 39648446 is about 340.9903248861.

The spelling of 39648446 in words is "thirty-nine million, six hundred forty-eight thousand, four hundred forty-six".