1323216846 has 48 divisors (see below), whose sum is σ = 3279276000. Its totient is φ = 377745984.

The previous prime is 1323216833. The next prime is 1323216871. The reversal of 1323216846 is 6486123231.

1323216846 is a nontrivial binomial coefficient, being equal to C(51444, 2).

It is a self number, because there is not a number n which added to its sum of digits gives 1323216846.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 176380 + ... + 183728.

It is an arithmetic number, because the mean of its divisors is an integer number (68318250).

Almost surely, 2^1323216846 is an apocalyptic number.

1323216846 is the 51443-rd triangular number and also the 25722-nd hexagonal number.

1323216846 is an abundant number, since it is smaller than the sum of its proper divisors (1956059154).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1323216846 is a wasteful number, since it uses less digits than its factorization.

1323216846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8793 (or 8790 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 1323216846 is about 36376.0476962520. The cubic root of 1323216846 is about 1097.8516874934.

The spelling of 1323216846 in words is "one billion, three hundred twenty-three million, two hundred sixteen thousand, eight hundred forty-six".