3929146056 has 160 divisors (see below), whose sum is σ = 12085634880. Its totient is φ = 1182729600.

The previous prime is 3929146007. The next prime is 3929146073. The reversal of 3929146056 is 6506419293.

3929146056 is a `hidden beast` number, since 3 + 9 + 29 + 14 + 605 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1117341 + ... + 1120851.

It is an arithmetic number, because the mean of its divisors is an integer number (75535218).

Almost surely, 2^3929146056 is an apocalyptic number.

3929146056 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3929146056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6042817440).

3929146056 is an abundant number, since it is smaller than the sum of its proper divisors (8156488824).

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

3929146056 is a wasteful number, since it uses less digits than its factorization.

3929146056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3697 (or 3684 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The square root of 3929146056 is about 62682.9008263019. The cubic root of 3929146056 is about 1577.9723570748.

The spelling of 3929146056 in words is "three billion, nine hundred twenty-nine million, one hundred forty-six thousand, fifty-six".