3952039728 has 240 divisors, whose sum is σ = 13233840480. Its totient is φ = 1006129152.

The previous prime is 3952039727. The next prime is 3952039747. The reversal of 3952039728 is 8279302593.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (3952039723) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 884476 + ... + 888932.

It is an arithmetic number, because the mean of its divisors is an integer number (55141002).

Almost surely, 2^3952039728 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 3952039728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6616920240).

3952039728 is an abundant number, since it is smaller than the sum of its proper divisors (9281800752).

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

3952039728 is a wasteful number, since it uses less digits than its factorization.

3952039728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4524 (or 4511 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 48.

The square root of 3952039728 is about 62865.2505602260. The cubic root of 3952039728 is about 1581.0311764599.

The spelling of 3952039728 in words is "three billion, nine hundred fifty-two million, thirty-nine thousand, seven hundred twenty-eight".