3216234785 has 32 divisors (see below), whose sum is σ = 4246594560. Its totient is φ = 2327548608.

The previous prime is 3216234773. The next prime is 3216234787. The reversal of 3216234785 is 5874326123.

It is a cyclic number.

It is not a de Polignac number, because 3216234785 - 2²⁸ = 2947799329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3216234787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1928522 + ... + 1930188.

It is an arithmetic number, because the mean of its divisors is an integer number (132706080).

Almost surely, 2^3216234785 is an apocalyptic number.

It is an amenable number.

3216234785 is a deficient number, since it is larger than the sum of its proper divisors (1030359775).

3216234785 is a wasteful number, since it uses less digits than its factorization.

3216234785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2597.

The product of its digits is 241920, while the sum is 41.

The square root of 3216234785 is about 56711.8575343816. The cubic root of 3216234785 is about 1476.1004577168.

The spelling of 3216234785 in words is "three billion, two hundred sixteen million, two hundred thirty-four thousand, seven hundred eighty-five".