3985335256 has 16 divisors (see below), whose sum is σ = 8540004240. Its totient is φ = 1708000800.

The previous prime is 3985335247. The next prime is 3985335271. The reversal of 3985335256 is 6525335893.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35583295 + ... + 35583406.

It is an arithmetic number, because the mean of its divisors is an integer number (533750265).

Almost surely, 2^3985335256 is an apocalyptic number.

It is an amenable number.

3985335256 is an abundant number, since it is smaller than the sum of its proper divisors (4554668984).

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

3985335256 is a wasteful number, since it uses less digits than its factorization.

3985335256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71166714 (or 71166710 counting only the distinct ones).

The product of its digits is 2916000, while the sum is 49.

The square root of 3985335256 is about 63129.5117674769. The cubic root of 3985335256 is about 1585.4587739423.

The spelling of 3985335256 in words is "three billion, nine hundred eighty-five million, three hundred thirty-five thousand, two hundred fifty-six".