3289047905 has 64 divisors (see below), whose sum is σ = 4838400000. Its totient is φ = 2113413120.

The previous prime is 3289047901. The next prime is 3289047917. The reversal of 3289047905 is 5097409823.

It is a happy number.

It is not a de Polignac number, because 3289047905 - 2² = 3289047901 is a prime.

It is a super-2 number, since 2×3289047905² = 21635672242769778050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3289047905.

It is not an unprimeable number, because it can be changed into a prime (3289047901) 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 63 ways as a sum of consecutive naturals, for example, 2632721 + ... + 2633969.

It is an arithmetic number, because the mean of its divisors is an integer number (75600000).

Almost surely, 2^3289047905 is an apocalyptic number.

It is an amenable number.

3289047905 is a deficient number, since it is larger than the sum of its proper divisors (1549352095).

3289047905 is a wasteful number, since it uses less digits than its factorization.

3289047905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1434.

The product of its (nonzero) digits is 544320, while the sum is 47.

The square root of 3289047905 is about 57350.2214904180. The cubic root of 3289047905 is about 1487.1567033022.

The spelling of 3289047905 in words is "three billion, two hundred eighty-nine million, forty-seven thousand, nine hundred five".