321468428 has 6 divisors (see below), whose sum is σ = 562569756. Its totient is φ = 160734212.

The previous prime is 321468361. The next prime is 321468439. The reversal of 321468428 is 824864123.

321468428 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 = 321468391 and 321468400.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40183550 + ... + 40183557.

It is an arithmetic number, because the mean of its divisors is an integer number (93761626).

Almost surely, 2^321468428 is an apocalyptic number.

It is an amenable number.

321468428 is a deficient number, since it is larger than the sum of its proper divisors (241101328).

321468428 is a wasteful number, since it uses less digits than its factorization.

321468428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80367111 (or 80367109 counting only the distinct ones).

The product of its digits is 73728, while the sum is 38.

The square root of 321468428 is about 17929.5406522309. The cubic root of 321468428 is about 685.0350226290.

The spelling of 321468428 in words is "three hundred twenty-one million, four hundred sixty-eight thousand, four hundred twenty-eight".