3947482548 has 72 divisors (see below), whose sum is σ = 10426223808. Its totient is φ = 1256923008.

The previous prime is 3947482547. The next prime is 3947482549. The reversal of 3947482548 is 8452847493.

3947482548 is a `hidden beast` number, since 3 + 94 + 7 + 4 + 8 + 2 + 548 = 666.

It is an interprime number because it is at equal distance from previous prime (3947482547) and next prime (3947482549).

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 3947482494 and 3947482503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3947482543) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 706815 + ... + 712377.

It is an arithmetic number, because the mean of its divisors is an integer number (144808664).

Almost surely, 2^3947482548 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 3947482548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5213111904).

3947482548 is an abundant number, since it is smaller than the sum of its proper divisors (6478741260).

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

3947482548 is a wasteful number, since it uses less digits than its factorization.

3947482548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6453 (or 6448 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 54.

The square root of 3947482548 is about 62828.9944850306. The cubic root of 3947482548 is about 1580.4232359737.

The spelling of 3947482548 in words is "three billion, nine hundred forty-seven million, four hundred eighty-two thousand, five hundred forty-eight".