3965688846 has 96 divisors (see below), whose sum is σ = 10149055488. Its totient is φ = 1095595200.

The previous prime is 3965688841. The next prime is 3965688863. The reversal of 3965688846 is 6488865693.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3965688841) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 543595 + ... + 550841.

It is an arithmetic number, because the mean of its divisors is an integer number (105719328).

Almost surely, 2^3965688846 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3965688846, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5074527744).

3965688846 is an abundant number, since it is smaller than the sum of its proper divisors (6183366642).

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

3965688846 is a wasteful number, since it uses less digits than its factorization.

3965688846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7406 (or 7403 counting only the distinct ones).

The product of its digits is 59719680, while the sum is 63.

The square root of 3965688846 is about 62973.7155168726. The cubic root of 3965688846 is about 1582.8492153257.

The spelling of 3965688846 in words is "three billion, nine hundred sixty-five million, six hundred eighty-eight thousand, eight hundred forty-six".