3961974320 has 40 divisors (see below), whose sum is σ = 9436271040. Its totient is φ = 1546135040.

The previous prime is 3961974307. The next prime is 3961974347. The reversal of 3961974320 is 234791693.

3961974320 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 (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 600680 + ... + 607239.

It is an arithmetic number, because the mean of its divisors is an integer number (235906776).

Almost surely, 2^3961974320 is an apocalyptic number.

It is an amenable number.

3961974320 is an abundant number, since it is smaller than the sum of its proper divisors (5474296720).

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

3961974320 is a wasteful number, since it uses less digits than its factorization.

3961974320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1207973 (or 1207967 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 44.

The square root of 3961974320 is about 62944.2159376062. The cubic root of 3961974320 is about 1582.3548605853.

The spelling of 3961974320 in words is "three billion, nine hundred sixty-one million, nine hundred seventy-four thousand, three hundred twenty".