3921320352 has 24 divisors (see below), whose sum is σ = 10293466176. Its totient is φ = 1307106752.

The previous prime is 3921320287. The next prime is 3921320383. The reversal of 3921320352 is 2530231293.

3921320352 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20423448 + ... + 20423639.

It is an arithmetic number, because the mean of its divisors is an integer number (428894424).

Almost surely, 2^3921320352 is an apocalyptic number.

3921320352 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3921320352 is an abundant number, since it is smaller than the sum of its proper divisors (6372145824).

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

3921320352 is a wasteful number, since it uses less digits than its factorization.

3921320352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40847100 (or 40847092 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 3921320352 is about 62620.4467566305. The cubic root of 3921320352 is about 1576.9240417538.

The spelling of 3921320352 in words is "three billion, nine hundred twenty-one million, three hundred twenty thousand, three hundred fifty-two".