3216392980 has 48 divisors (see below), whose sum is σ = 7067949840. Its totient is φ = 1228151808.

The previous prime is 3216392947. The next prime is 3216393029. The reversal of 3216392980 is 892936123.

It can be written as a sum of positive squares in 8 ways, for example, as 924281604 + 2292111376 = 30402^2 + 47876^2 .

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 1785 + ... + 80224.

It is an arithmetic number, because the mean of its divisors is an integer number (147248955).

Almost surely, 2^3216392980 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3216392980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3533974920).

3216392980 is an abundant number, since it is smaller than the sum of its proper divisors (3851556860).

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

3216392980 is a wasteful number, since it uses less digits than its factorization.

3216392980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82108 (or 82106 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 3216392980 is about 56713.2522431927. The cubic root of 3216392980 is about 1476.1246586743.

The spelling of 3216392980 in words is "three billion, two hundred sixteen million, three hundred ninety-two thousand, nine hundred eighty".