3284943905 has 4 divisors (see below), whose sum is σ = 3941932692. Its totient is φ = 2627955120.

The previous prime is 3284943889. The next prime is 3284943911. The reversal of 3284943905 is 5093494823.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5093494823 = 167 ⋅30499969.

It can be written as a sum of positive squares in 2 ways, for example, as 2193236224 + 1091707681 = 46832^2 + 33041^2 .

It is not a de Polignac number, because 3284943905 - 2⁴ = 3284943889 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3284943905.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328494386 + ... + 328494395.

It is an arithmetic number, because the mean of its divisors is an integer number (985483173).

Almost surely, 2^3284943905 is an apocalyptic number.

It is an amenable number.

3284943905 is a deficient number, since it is larger than the sum of its proper divisors (656988787).

3284943905 is an equidigital number, since it uses as much as digits as its factorization.

3284943905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656988786.

The product of its (nonzero) digits is 933120, while the sum is 47.

The square root of 3284943905 is about 57314.4301637903. The cubic root of 3284943905 is about 1486.5378989588.

The spelling of 3284943905 in words is "three billion, two hundred eighty-four million, nine hundred forty-three thousand, nine hundred five".