3238805065 has 16 divisors (see below), whose sum is σ = 4182656400. Its totient is φ = 2398648320.

The previous prime is 3238805047. The next prime is 3238805069. The reversal of 3238805065 is 5605088323.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 348344896 + 2890460169 = 18664^2 + 53763^2 .

It is not a de Polignac number, because 3238805065 - 2⁵ = 3238805033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3238805069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 307140 + ... + 317509.

It is an arithmetic number, because the mean of its divisors is an integer number (261416025).

Almost surely, 2^3238805065 is an apocalyptic number.

It is an amenable number.

3238805065 is a deficient number, since it is larger than the sum of its proper divisors (943851335).

3238805065 is a wasteful number, since it uses less digits than its factorization.

3238805065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624732.

The product of its (nonzero) digits is 172800, while the sum is 40.

The square root of 3238805065 is about 56910.5004810184. The cubic root of 3238805065 is about 1479.5453109263.

The spelling of 3238805065 in words is "three billion, two hundred thirty-eight million, eight hundred five thousand, sixty-five".