321474312 has 64 divisors (see below), whose sum is σ = 931824000. Its totient is φ = 102497472.

The previous prime is 321474287. The next prime is 321474343. The reversal of 321474312 is 213474123.

It is a happy number.

321474312 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27387 + ... + 37322.

It is an arithmetic number, because the mean of its divisors is an integer number (14559750).

Almost surely, 2^321474312 is an apocalyptic number.

It is an amenable number.

321474312 is an abundant number, since it is smaller than the sum of its proper divisors (610349688).

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

321474312 is a wasteful number, since it uses less digits than its factorization.

321474312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64747 (or 64737 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 321474312 is about 17929.7047382270. The cubic root of 321474312 is about 685.0392021182.

The spelling of 321474312 in words is "three hundred twenty-one million, four hundred seventy-four thousand, three hundred twelve".