328351 has 4 divisors (see below), whose sum is σ = 331704. Its totient is φ = 325000.

The previous prime is 328343. The next prime is 328357. The reversal of 328351 is 153823.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 153823 = 101 ⋅1523.

It is a cyclic number.

It is not a de Polignac number, because 328351 - 2³ = 328343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1525 + ... + 1726.

It is an arithmetic number, because the mean of its divisors is an integer number (82926).

2³²⁸³⁵¹ is an apocalyptic number.

328351 is a deficient number, since it is larger than the sum of its proper divisors (3353).

328351 is a wasteful number, since it uses less digits than its factorization.

328351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3352.

The product of its digits is 720, while the sum is 22.

The square root of 328351 is about 573.0191968861. The cubic root of 328351 is about 68.9889361242.

Subtracting from 328351 its sum of digits (22), we obtain a square (328329 = 573²).

The spelling of 328351 in words is "three hundred twenty-eight thousand, three hundred fifty-one".