3969832412 has 144 divisors (see below), whose sum is σ = 9379117440. Its totient is φ = 1452463488.

The previous prime is 3969832409. The next prime is 3969832439. The reversal of 3969832412 is 2142389693.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2080763 + ... + 2082669.

It is an arithmetic number, because the mean of its divisors is an integer number (65132760).

Almost surely, 2^3969832412 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 3969832412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4689558720).

3969832412 is an abundant number, since it is smaller than the sum of its proper divisors (5409285028).

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

3969832412 is a wasteful number, since it uses less digits than its factorization.

3969832412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000 (or 1991 counting only the distinct ones).

The product of its digits is 559872, while the sum is 47.

The square root of 3969832412 is about 63006.6060980910. The cubic root of 3969832412 is about 1583.4003055648.

The spelling of 3969832412 in words is "three billion, nine hundred sixty-nine million, eight hundred thirty-two thousand, four hundred twelve".