321348980 has 24 divisors (see below), whose sum is σ = 691293960. Its totient is φ = 125404160.

The previous prime is 321348949. The next prime is 321348983. The reversal of 321348980 is 89843123.

321348980 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2155024 + 319193956 = 1468^2 + 17866^2 .

321348980 is strictly pandigital in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321348983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195125 + ... + 196764.

It is an arithmetic number, because the mean of its divisors is an integer number (28803915).

Almost surely, 2^321348980 is an apocalyptic number.

It is an amenable number.

321348980 is an abundant number, since it is smaller than the sum of its proper divisors (369944980).

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

321348980 is a wasteful number, since it uses less digits than its factorization.

321348980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391939 (or 391937 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 321348980 is about 17926.2093036983. The cubic root of 321348980 is about 684.9501659806.

It can be divided in two parts, 32134 and 8980, that added together give a palindrome (41114).

The spelling of 321348980 in words is "three hundred twenty-one million, three hundred forty-eight thousand, nine hundred eighty".