321089420 has 24 divisors (see below), whose sum is σ = 678759648. Its totient is φ = 127584000.

The previous prime is 321089411. The next prime is 321089467. The reversal of 321089420 is 24980123.

321089420 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50141 + ... + 56180.

It is an arithmetic number, because the mean of its divisors is an integer number (28281652).

Almost surely, 2^321089420 is an apocalyptic number.

It is an amenable number.

321089420 is an abundant number, since it is smaller than the sum of its proper divisors (357670228).

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

321089420 is a wasteful number, since it uses less digits than its factorization.

321089420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106481 (or 106479 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 321089420 is about 17918.9681622576. The cubic root of 321089420 is about 684.7657003221.

The spelling of 321089420 in words is "three hundred twenty-one million, eighty-nine thousand, four hundred twenty".