322398 has 12 divisors (see below), whose sum is σ = 698568. Its totient is φ = 107460.

The previous prime is 322397. The next prime is 322403. The reversal of 322398 is 893223.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 322398.

It is not an unprimeable number, because it can be changed into a prime (322397) 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, 8938 + ... + 8973.

It is an arithmetic number, because the mean of its divisors is an integer number (58214).

2³²²³⁹⁸ is an apocalyptic number.

322398 is an abundant number, since it is smaller than the sum of its proper divisors (376170).

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

322398 is a wasteful number, since it uses less digits than its factorization.

322398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17919 (or 17916 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 322398 is about 567.8010214855. The cubic root of 322398 is about 68.5694679499.

It can be divided in two parts, 3223 and 98, that added together give a triangular number (3321 = T₈₁).

The spelling of 322398 in words is "three hundred twenty-two thousand, three hundred ninety-eight".