3985100 has 36 divisors (see below), whose sum is σ = 9884784. Its totient is φ = 1366080.

The previous prime is 3985099. The next prime is 3985103. The reversal of 3985100 is 15893.

It is a self number, because there is not a number n which added to its sum of digits gives 3985100.

It is not an unprimeable number, because it can be changed into a prime (3985103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2147 + ... + 3546.

Almost surely, 2^3985100 is an apocalyptic number.

It is an amenable number.

3985100 is an abundant number, since it is smaller than the sum of its proper divisors (5899684).

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

3985100 is a wasteful number, since it uses less digits than its factorization.

3985100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5714 (or 5707 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 3985100 is about 1996.2715246178. The cubic root of 3985100 is about 158.5427576565.

The spelling of 3985100 in words is "three million, nine hundred eighty-five thousand, one hundred".