3965223366 has 24 divisors (see below), whose sum is σ = 9252188400. Its totient is φ = 1220068656.

The previous prime is 3965223349. The next prime is 3965223377. The reversal of 3965223366 is 6633225693.

3965223366 is a `hidden beast` number, since 3 + 9 + 65 + 223 + 366 = 666.

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, 8472466 + ... + 8472933.

It is an arithmetic number, because the mean of its divisors is an integer number (385507850).

Almost surely, 2^3965223366 is an apocalyptic number.

3965223366 is an abundant number, since it is smaller than the sum of its proper divisors (5286965034).

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

3965223366 is a wasteful number, since it uses less digits than its factorization.

3965223366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16945420 (or 16945417 counting only the distinct ones).

The product of its digits is 1049760, while the sum is 45.

The square root of 3965223366 is about 62970.0195807497. The cubic root of 3965223366 is about 1582.7872829595.

The spelling of 3965223366 in words is "three billion, nine hundred sixty-five million, two hundred twenty-three thousand, three hundred sixty-six".