39966848 has 16 divisors (see below), whose sum is σ = 79621710. Its totient is φ = 19983360.

The previous prime is 39966833. The next prime is 39966853. The reversal of 39966848 is 84866993.

It can be written as a sum of positive squares in only one way, i.e., 32171584 + 7795264 = 5672^2 + 2792^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a self number, because there is not a number n which added to its sum of digits gives 39966848.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155993 + ... + 156248.

Almost surely, 2^39966848 is an apocalyptic number.

It is an amenable number.

39966848 is a deficient number, since it is larger than the sum of its proper divisors (39654862).

39966848 is an equidigital number, since it uses as much as digits as its factorization.

39966848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312255 (or 312243 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 53.

The square root of 39966848 is about 6321.9338813373. The cubic root of 39966848 is about 341.9006813501.

The spelling of 39966848 in words is "thirty-nine million, nine hundred sixty-six thousand, eight hundred forty-eight".