3948448428 has 18 divisors (see below), whose sum is σ = 9980800284. Its totient is φ = 1316149464.

The previous prime is 3948448423. The next prime is 3948448447. The reversal of 3948448428 is 8248448493.

3948448428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (3948448423) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 54839526 + ... + 54839597.

Almost surely, 2^3948448428 is an apocalyptic number.

It is an amenable number.

3948448428 is an abundant number, since it is smaller than the sum of its proper divisors (6032351856).

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

3948448428 is a wasteful number, since it uses less digits than its factorization.

3948448428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109679133 (or 109679128 counting only the distinct ones).

The product of its digits is 7077888, while the sum is 54.

The square root of 3948448428 is about 62836.6805934241. The cubic root of 3948448428 is about 1580.5521261116.

The spelling of 3948448428 in words is "three billion, nine hundred forty-eight million, four hundred forty-eight thousand, four hundred twenty-eight".