321474340 has 48 divisors (see below), whose sum is σ = 760241664. Its totient is φ = 113126400.

The previous prime is 321474287. The next prime is 321474343. The reversal of 321474340 is 43474123.

321474340 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 321474299 and 321474308.

It is not an unprimeable number, because it can be changed into a prime (321474343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16749 + ... + 30388.

It is an arithmetic number, because the mean of its divisors is an integer number (15838368).

Almost surely, 2^321474340 is an apocalyptic number.

It is an amenable number.

321474340 is an abundant number, since it is smaller than the sum of its proper divisors (438767324).

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

321474340 is a wasteful number, since it uses less digits than its factorization.

321474340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47188 (or 47186 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 321474340 is about 17929.7055190541. The cubic root of 321474340 is about 685.0392220069.

The spelling of 321474340 in words is "three hundred twenty-one million, four hundred seventy-four thousand, three hundred forty".