3946569216 has 160 divisors (see below), whose sum is σ = 10851427488. Its totient is φ = 1274019840.

The previous prime is 3946569191. The next prime is 3946569233. The reversal of 3946569216 is 6129656493.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6839520 + ... + 6840096.

Almost surely, 2^3946569216 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 3946569216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5425713744).

3946569216 is an abundant number, since it is smaller than the sum of its proper divisors (6904858272).

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

3946569216 is an equidigital number, since it uses as much as digits as its factorization.

3946569216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732 (or 716 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 51.

The square root of 3946569216 is about 62821.7256687525. The cubic root of 3946569216 is about 1580.3013386686.

The spelling of 3946569216 in words is "three billion, nine hundred forty-six million, five hundred sixty-nine thousand, two hundred sixteen".