3965951892 has 96 divisors (see below), whose sum is σ = 10996572160. Its totient is φ = 1088588160.

The previous prime is 3965951881. The next prime is 3965951903. The reversal of 3965951892 is 2981595693.

It is an interprime number because it is at equal distance from previous prime (3965951881) and next prime (3965951903).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 356478 + ... + 367434.

Almost surely, 2^3965951892 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 3965951892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5498286080).

3965951892 is an abundant number, since it is smaller than the sum of its proper divisors (7030620268).

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

3965951892 is a wasteful number, since it uses less digits than its factorization.

3965951892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11141 (or 11139 counting only the distinct ones).

The product of its digits is 5248800, while the sum is 57.

The square root of 3965951892 is about 62975.8040202743. The cubic root of 3965951892 is about 1582.8842115954.

The spelling of 3965951892 in words is "three billion, nine hundred sixty-five million, nine hundred fifty-one thousand, eight hundred ninety-two".