3948859512 has 320 divisors, whose sum is σ = 12623688000. Its totient is φ = 1144129536.

The previous prime is 3948859511. The next prime is 3948859517. The reversal of 3948859512 is 2159588493.

3948859512 is a `hidden beast` number, since 3 + 9 + 48 + 8 + 595 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3948859511) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 17243814 + ... + 17244042.

It is an arithmetic number, because the mean of its divisors is an integer number (39449025).

Almost surely, 2^3948859512 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 3948859512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6311844000).

3948859512 is an abundant number, since it is smaller than the sum of its proper divisors (8674828488).

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

3948859512 is a wasteful number, since it uses less digits than its factorization.

3948859512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372 (or 359 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 54.

The square root of 3948859512 is about 62839.9515594976. The cubic root of 3948859512 is about 1580.6069761077.

The spelling of 3948859512 in words is "three billion, nine hundred forty-eight million, eight hundred fifty-nine thousand, five hundred twelve".