3989600100 has 54 divisors (see below), whose sum is σ = 12505182690. Its totient is φ = 1063893120.

The previous prime is 3989600099. The next prime is 3989600129. The reversal of 3989600100 is 10069893.

3989600100 is a `hidden beast` number, since 39 + 8 + 9 + 600 + 10 + 0 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 59814756 + 3929785344 = 7734^2 + 62688^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2215545 + ... + 2217344.

Almost surely, 2^3989600100 is an apocalyptic number.

3989600100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3989600100 is an abundant number, since it is smaller than the sum of its proper divisors (8515582590).

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

3989600100 is a wasteful number, since it uses less digits than its factorization.

3989600100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4432909 (or 4432899 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 3989600100 is about 63163.2812637216. The cubic root of 3989600100 is about 1586.0241236014.

Adding to 3989600100 its reverse (10069893), we get a palindrome (3999669993).

The spelling of 3989600100 in words is "three billion, nine hundred eighty-nine million, six hundred thousand, one hundred".