3929289700 has 72 divisors (see below), whose sum is σ = 9758250432. Its totient is φ = 1345303680.

The previous prime is 3929289641. The next prime is 3929289719. The reversal of 3929289700 is 79829293.

3929289700 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 554379 + ... + 561421.

It is an arithmetic number, because the mean of its divisors is an integer number (135531256).

Almost surely, 2^3929289700 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 3929289700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4879125216).

3929289700 is an abundant number, since it is smaller than the sum of its proper divisors (5828960732).

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

3929289700 is a wasteful number, since it uses less digits than its factorization.

3929289700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7861 (or 7854 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 49.

The square root of 3929289700 is about 62684.0466147488. The cubic root of 3929289700 is about 1577.9915863166.

The spelling of 3929289700 in words is "three billion, nine hundred twenty-nine million, two hundred eighty-nine thousand, seven hundred".