3965215932 has 144 divisors (see below), whose sum is σ = 10988097120. Its totient is φ = 1200697344.

The previous prime is 3965215871. The next prime is 3965215937. The reversal of 3965215932 is 2395125693.

3965215932 is a `hidden beast` number, since 3 + 9 + 6 + 52 + 1 + 593 + 2 = 666.

3965215932 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3965215937) 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, 2341278 + ... + 2342970.

It is an arithmetic number, because the mean of its divisors is an integer number (76306230).

Almost surely, 2^3965215932 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 3965215932, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5494048560).

3965215932 is an abundant number, since it is smaller than the sum of its proper divisors (7022881188).

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

3965215932 is a wasteful number, since it uses less digits than its factorization.

3965215932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1852 (or 1847 counting only the distinct ones).

The product of its digits is 437400, while the sum is 45.

The square root of 3965215932 is about 62969.9605526318. The cubic root of 3965215932 is about 1582.7862938225.

The spelling of 3965215932 in words is "three billion, nine hundred sixty-five million, two hundred fifteen thousand, nine hundred thirty-two".