3987598032 has 160 divisors (see below), whose sum is σ = 12609192960. Its totient is φ = 1196484480.

The previous prime is 3987597973. The next prime is 3987598037. The reversal of 3987598032 is 2308957893.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 3987598032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3987598037) 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 31 ways as a sum of consecutive naturals, for example, 485383 + ... + 493529.

It is an arithmetic number, because the mean of its divisors is an integer number (78807456).

Almost surely, 2^3987598032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3987598032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6304596480).

3987598032 is an abundant number, since it is smaller than the sum of its proper divisors (8621594928).

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

3987598032 is a wasteful number, since it uses less digits than its factorization.

3987598032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8278 (or 8266 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The square root of 3987598032 is about 63147.4309216139. The cubic root of 3987598032 is about 1585.7587787578.

The spelling of 3987598032 in words is "three billion, nine hundred eighty-seven million, five hundred ninety-eight thousand, thirty-two".