3986253265 has 16 divisors (see below), whose sum is σ = 4941043200. Its totient is φ = 3084111360.

The previous prime is 3986253223. The next prime is 3986253269. The reversal of 3986253265 is 5623526893.

It is a happy number.

It is not a de Polignac number, because 3986253265 - 2⁷ = 3986253137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3986253269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 255777 + ... + 270913.

It is an arithmetic number, because the mean of its divisors is an integer number (308815200).

Almost surely, 2^3986253265 is an apocalyptic number.

It is an amenable number.

3986253265 is a deficient number, since it is larger than the sum of its proper divisors (954789935).

3986253265 is a wasteful number, since it uses less digits than its factorization.

3986253265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16872.

The product of its digits is 2332800, while the sum is 49.

The square root of 3986253265 is about 63136.7821875648. The cubic root of 3986253265 is about 1585.5804996852.

The spelling of 3986253265 in words is "three billion, nine hundred eighty-six million, two hundred fifty-three thousand, two hundred sixty-five".