326398 has 4 divisors (see below), whose sum is σ = 489600. Its totient is φ = 163198.

The previous prime is 326369. The next prime is 326437. The reversal of 326398 is 893623.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 893623 = 317 ⋅2819.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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 326398.

It is an unprimeable number.

326398 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81598 + ... + 81601.

It is an arithmetic number, because the mean of its divisors is an integer number (122400).

2³²⁶³⁹⁸ is an apocalyptic number.

326398 is a deficient number, since it is larger than the sum of its proper divisors (163202).

326398 is a wasteful number, since it uses less digits than its factorization.

326398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163201.

The product of its digits is 7776, while the sum is 31.

The square root of 326398 is about 571.3125239306. The cubic root of 326398 is about 68.8518841996.

The spelling of 326398 in words is "three hundred twenty-six thousand, three hundred ninety-eight".