3947329696 has 24 divisors (see below), whose sum is σ = 8021994624. Its totient is φ = 1909997760.

The previous prime is 3947329679. The next prime is 3947329699. The reversal of 3947329696 is 6969237493.

3947329696 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 3947329696.

It is not an unprimeable number, because it can be changed into a prime (3947329699) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1988590 + ... + 1990573.

It is an arithmetic number, because the mean of its divisors is an integer number (334249776).

Almost surely, 2^3947329696 is an apocalyptic number.

It is an amenable number.

3947329696 is an abundant number, since it is smaller than the sum of its proper divisors (4074664928).

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

3947329696 is a wasteful number, since it uses less digits than its factorization.

3947329696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3979204 (or 3979196 counting only the distinct ones).

The product of its digits is 13226976, while the sum is 58.

The square root of 3947329696 is about 62827.7780603453. The cubic root of 3947329696 is about 1580.4028369837.

It can be divided in two parts, 39473 and 29696, that added together give a square (69169 = 263²).

The spelling of 3947329696 in words is "three billion, nine hundred forty-seven million, three hundred twenty-nine thousand, six hundred ninety-six".