3218234789 has 24 divisors (see below), whose sum is σ = 4108563648. Its totient is φ = 2492629440.

The previous prime is 3218234717. The next prime is 3218234797. The reversal of 3218234789 is 9874328123.

It is a happy number.

It is not a de Polignac number, because 3218234789 - 2¹² = 3218230693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3218234189) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72137 + ... + 107889.

It is an arithmetic number, because the mean of its divisors is an integer number (171190152).

Almost surely, 2^3218234789 is an apocalyptic number.

It is an amenable number.

3218234789 is a deficient number, since it is larger than the sum of its proper divisors (890328859).

3218234789 is a wasteful number, since it uses less digits than its factorization.

3218234789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35945 (or 35938 counting only the distinct ones).

The product of its digits is 580608, while the sum is 47.

The square root of 3218234789 is about 56729.4878259975. The cubic root of 3218234789 is about 1476.4063635652.

The spelling of 3218234789 in words is "three billion, two hundred eighteen million, two hundred thirty-four thousand, seven hundred eighty-nine".