3988170972 has 48 divisors (see below), whose sum is σ = 10509223200. Its totient is φ = 1307594880.

The previous prime is 3988170971. The next prime is 3988171001. The reversal of 3988170972 is 2790718893.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3988170971) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 296097 + ... + 309272.

It is an arithmetic number, because the mean of its divisors is an integer number (218942150).

Almost surely, 2^3988170972 is an apocalyptic number.

It is an amenable number.

3988170972 is an abundant number, since it is smaller than the sum of its proper divisors (6521052228).

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

3988170972 is a wasteful number, since it uses less digits than its factorization.

3988170972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605443 (or 605435 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 54.

The square root of 3988170972 is about 63151.9672852715. The cubic root of 3988170972 is about 1585.8347226483.

The spelling of 3988170972 in words is "three billion, nine hundred eighty-eight million, one hundred seventy thousand, nine hundred seventy-two".