321341428 has 12 divisors (see below), whose sum is σ = 566641152. Its totient is φ = 159443960.

The previous prime is 321341417. The next prime is 321341459. The reversal of 321341428 is 824143123.

It is a junction number, because it is equal to n+sod(n) for n = 321341396 and 321341405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 306100 + ... + 307147.

It is an arithmetic number, because the mean of its divisors is an integer number (47220096).

Almost surely, 2^321341428 is an apocalyptic number.

It is an amenable number.

321341428 is a deficient number, since it is larger than the sum of its proper divisors (245299724).

321341428 is a wasteful number, since it uses less digits than its factorization.

321341428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613382 (or 613380 counting only the distinct ones).

The product of its digits is 4608, while the sum is 28.

The square root of 321341428 is about 17925.9986611625. The cubic root of 321341428 is about 684.9448002831.

The spelling of 321341428 in words is "three hundred twenty-one million, three hundred forty-one thousand, four hundred twenty-eight".