3988951880 has 32 divisors (see below), whose sum is σ = 8995908600. Its totient is φ = 1591888896.

The previous prime is 3988951871. The next prime is 3988951931. The reversal of 3988951880 is 881598893.

It can be written as a sum of positive squares in 4 ways, for example, as 3084025156 + 904926724 = 55534^2 + 30082^2 .

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, 97835 + ... + 132474.

Almost surely, 2^3988951880 is an apocalyptic number.

It is an amenable number.

3988951880 is an abundant number, since it is smaller than the sum of its proper divisors (5006956720).

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

3988951880 is a wasteful number, since it uses less digits than its factorization.

3988951880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230753 (or 230749 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 59.

The square root of 3988951880 is about 63158.1497512395. The cubic root of 3988951880 is about 1585.9382212371.

The spelling of 3988951880 in words is "three billion, nine hundred eighty-eight million, nine hundred fifty-one thousand, eight hundred eighty".