3965896 has 48 divisors (see below), whose sum is σ = 8690220. Its totient is φ = 1689600.

The previous prime is 3965887. The next prime is 3965903. The reversal of 3965896 is 6985693.

It can be written as a sum of positive squares in 2 ways, for example, as 3663396 + 302500 = 1914^2 + 550^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16336 + ... + 16576.

Almost surely, 2^3965896 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 3965896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4345110).

3965896 is an abundant number, since it is smaller than the sum of its proper divisors (4724324).

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

3965896 is a wasteful number, since it uses less digits than its factorization.

3965896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286 (or 271 counting only the distinct ones).

The product of its digits is 349920, while the sum is 46.

The square root of 3965896 is about 1991.4557489435. The cubic root of 3965896 is about 158.2876775719.

The spelling of 3965896 in words is "three million, nine hundred sixty-five thousand, eight hundred ninety-six".