321946 has 12 divisors (see below), whose sum is σ = 513918. Its totient is φ = 151232.

The previous prime is 321911. The next prime is 321947. The reversal of 321946 is 649123.

It can be written as a sum of positive squares in 3 ways, for example, as 286225 + 35721 = 535^2 + 189^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 321946.

It is not an unprimeable number, because it can be changed into a prime (321947) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 300 + ... + 856.

2³²¹⁹⁴⁶ is an apocalyptic number.

321946 is a deficient number, since it is larger than the sum of its proper divisors (191972).

321946 is a wasteful number, since it uses less digits than its factorization.

321946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593 (or 576 counting only the distinct ones).

The product of its digits is 1296, while the sum is 25.

The square root of 321946 is about 567.4028551215. The cubic root of 321946 is about 68.5374083062.

The spelling of 321946 in words is "three hundred twenty-one thousand, nine hundred forty-six".