3985233860 has 24 divisors (see below), whose sum is σ = 8399884416. Its totient is φ = 1588209120.

The previous prime is 3985233859. The next prime is 3985233877. The reversal of 3985233860 is 683325893.

It is a happy number.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 362222 + ... + 373061.

It is an arithmetic number, because the mean of its divisors is an integer number (349995184).

Almost surely, 2^3985233860 is an apocalyptic number.

It is an amenable number.

3985233860 is an abundant number, since it is smaller than the sum of its proper divisors (4414650556).

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

3985233860 is a wasteful number, since it uses less digits than its factorization.

3985233860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735563 (or 735561 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 47.

The square root of 3985233860 is about 63128.7086831340. The cubic root of 3985233860 is about 1585.4453279350.

The spelling of 3985233860 in words is "three billion, nine hundred eighty-five million, two hundred thirty-three thousand, eight hundred sixty".