3929709056 has 120 divisors (see below), whose sum is σ = 9837065700. Its totient is φ = 1554481152.

The previous prime is 3929709041. The next prime is 3929709059. The reversal of 3929709056 is 6509079293.

It can be written as a sum of positive squares in 2 ways, for example, as 3891763456 + 37945600 = 62384^2 + 6160^2 .

It is a super-2 number, since 2×3929709056² = 30885226529616822272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3929708995 and 3929709013.

It is not an unprimeable number, because it can be changed into a prime (3929709059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 320120 + ... + 332168.

Almost surely, 2^3929709056 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 3929709056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4918532850).

3929709056 is an abundant number, since it is smaller than the sum of its proper divisors (5907356644).

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

3929709056 is a wasteful number, since it uses less digits than its factorization.

3929709056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12094 (or 12071 counting only the distinct ones).

The product of its (nonzero) digits is 918540, while the sum is 50.

The square root of 3929709056 is about 62687.3915233359. The cubic root of 3929709056 is about 1578.0477217126.

The spelling of 3929709056 in words is "three billion, nine hundred twenty-nine million, seven hundred nine thousand, fifty-six".