3946645848 has 64 divisors (see below), whose sum is σ = 10324596960. Its totient is φ = 1255827456.

The previous prime is 3946645841. The next prime is 3946645889. The reversal of 3946645848 is 8485466493.

3946645848 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3946645841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5136 + ... + 88992.

Almost surely, 2^3946645848 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 3946645848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5162298480).

3946645848 is an abundant number, since it is smaller than the sum of its proper divisors (6377951112).

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

3946645848 is a wasteful number, since it uses less digits than its factorization.

3946645848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83956 (or 83952 counting only the distinct ones).

The product of its digits is 19906560, while the sum is 57.

The square root of 3946645848 is about 62822.3355821797. The cubic root of 3946645848 is about 1580.3115670351.

It can be divided in two parts, 3946645 and 848, that added together give a palindrome (3947493).

The spelling of 3946645848 in words is "three billion, nine hundred forty-six million, six hundred forty-five thousand, eight hundred forty-eight".