321496 has 16 divisors (see below), whose sum is σ = 689040. Its totient is φ = 137760.

The previous prime is 321469. The next prime is 321509. The reversal of 321496 is 694123.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 321496.

It is a congruent number.

It is an unprimeable number.

321496 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 in 3 ways as a sum of consecutive naturals, for example, 2815 + ... + 2926.

It is an arithmetic number, because the mean of its divisors is an integer number (43065).

2³²¹⁴⁹⁶ is an apocalyptic number.

It is an amenable number.

321496 is an abundant number, since it is smaller than the sum of its proper divisors (367544).

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

321496 is a wasteful number, since it uses less digits than its factorization.

321496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5754 (or 5750 counting only the distinct ones).

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

The square root of 321496 is about 567.0061728059. The cubic root of 321496 is about 68.5054606974.

The spelling of 321496 in words is "three hundred twenty-one thousand, four hundred ninety-six".