3238662865 has 8 divisors (see below), whose sum is σ = 3907868328. Its totient is φ = 2576615040.

The previous prime is 3238662781. The next prime is 3238662871. The reversal of 3238662865 is 5682668323.

It can be written as a sum of positive squares in 4 ways, for example, as 260887104 + 2977775761 = 16152^2 + 54569^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3238662865 - 2⁷ = 3238662737 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1788412 + ... + 1790221.

It is an arithmetic number, because the mean of its divisors is an integer number (488483541).

Almost surely, 2^3238662865 is an apocalyptic number.

It is an amenable number.

3238662865 is a deficient number, since it is larger than the sum of its proper divisors (669205463).

3238662865 is a wasteful number, since it uses less digits than its factorization.

3238662865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3578819.

The product of its digits is 2488320, while the sum is 49.

The square root of 3238662865 is about 56909.2511372272. The cubic root of 3238662865 is about 1479.5236574236.

The spelling of 3238662865 in words is "three billion, two hundred thirty-eight million, six hundred sixty-two thousand, eight hundred sixty-five".