3928968252 has 144 divisors (see below), whose sum is σ = 11011762944. Its totient is φ = 1181056800.

The previous prime is 3928968233. The next prime is 3928968283. The reversal of 3928968252 is 2528698293.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8001727 + ... + 8002217.

It is an arithmetic number, because the mean of its divisors is an integer number (76470576).

Almost surely, 2^3928968252 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 3928968252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5505881472).

3928968252 is an abundant number, since it is smaller than the sum of its proper divisors (7082794692).

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

3928968252 is a wasteful number, since it uses less digits than its factorization.

3928968252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701 (or 674 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 54.

The square root of 3928968252 is about 62681.4825287341. The cubic root of 3928968252 is about 1577.9485542751.

The spelling of 3928968252 in words is "three billion, nine hundred twenty-eight million, nine hundred sixty-eight thousand, two hundred fifty-two".