3985707000 has 128 divisors (see below), whose sum is σ = 13566009600. Its totient is φ = 966224000.

The previous prime is 3985706993. The next prime is 3985707059. The reversal of 3985707000 is 7075893.

It is a self number, because there is not a number n which added to its sum of digits gives 3985707000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27390 + ... + 93389.

It is an arithmetic number, because the mean of its divisors is an integer number (105984450).

Almost surely, 2^3985707000 is an apocalyptic number.

3985707000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3985707000 is an abundant number, since it is smaller than the sum of its proper divisors (9580302600).

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

3985707000 is a wasteful number, since it uses less digits than its factorization.

3985707000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120814 (or 120800 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 39.

The square root of 3985707000 is about 63132.4559953120. The cubic root of 3985707000 is about 1585.5080685373.

The spelling of 3985707000 in words is "three billion, nine hundred eighty-five million, seven hundred seven thousand".