3985855248 has 40 divisors (see below), whose sum is σ = 10491078528. Its totient is φ = 1303549312.

The previous prime is 3985855243. The next prime is 3985855267. The reversal of 3985855248 is 8425585893.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (3985855243) 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, 780840 + ... + 785927.

Almost surely, 2^3985855248 is an apocalyptic number.

It is an amenable number.

3985855248 is an abundant number, since it is smaller than the sum of its proper divisors (6505223280).

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

3985855248 is a wasteful number, since it uses less digits than its factorization.

3985855248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1566831 (or 1566825 counting only the distinct ones).

The product of its digits is 13824000, while the sum is 57.

The square root of 3985855248 is about 63133.6300872997. The cubic root of 3985855248 is about 1585.5277259018.

The spelling of 3985855248 in words is "three billion, nine hundred eighty-five million, eight hundred fifty-five thousand, two hundred forty-eight".