3146621872384 has 81 divisors (see below), whose sum is σ = 6506707236393. Its totient is φ = 1518661487616.

The previous prime is 3146621872327. The next prime is 3146621872411. The reversal of 3146621872384 is 4832781266413.

The square root of 3146621872384 is 1773872.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1650012182784 + 1496609689600 = 1284528^2 + 1223360^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 823074697 + ... + 823078519.

Almost surely, 2^{3146621872384} is an apocalyptic number.

3146621872384 is the 1773872-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3146621872384

3146621872384 is an abundant number, since it is smaller than the sum of its proper divisors (3360085364009).

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

3146621872384 is an frugal number, since it uses more digits than its factorization.

3146621872384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7720 (or 3854 counting only the distinct ones).

The product of its digits is 9289728, while the sum is 55.

The spelling of 3146621872384 in words is "three trillion, one hundred forty-six billion, six hundred twenty-one million, eight hundred seventy-two thousand, three hundred eighty-four".