3992957528 has 64 divisors (see below), whose sum is σ = 8778369600. Its totient is φ = 1666990080.

The previous prime is 3992957489. The next prime is 3992957531. The reversal of 3992957528 is 8257592993.

Its product of digits (12247200) is a multiple of the sum of its prime factors (2700).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2793518 + ... + 2794946.

It is an arithmetic number, because the mean of its divisors is an integer number (137162025).

Almost surely, 2^3992957528 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 3992957528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4389184800).

3992957528 is an abundant number, since it is smaller than the sum of its proper divisors (4785412072).

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

3992957528 is a wasteful number, since it uses less digits than its factorization.

3992957528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2700 (or 2696 counting only the distinct ones).

The product of its digits is 12247200, while the sum is 59.

The square root of 3992957528 is about 63189.8530461972. The cubic root of 3992957528 is about 1586.4689024124.

The spelling of 3992957528 in words is "three billion, nine hundred ninety-two million, nine hundred fifty-seven thousand, five hundred twenty-eight".