328903 has 4 divisors (see below), whose sum is σ = 333880. Its totient is φ = 323928.

The previous prime is 328901. The next prime is 328919. The reversal of 328903 is 309823.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 328903 - 2¹ = 328901 is a prime.

It is the 574-th Hogben number.

It is a Duffinian 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 328903.

It is not an unprimeable number, because it can be changed into a prime (328901) by changing a digit.

It is a nontrivial repunit in base 573.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2388 + ... + 2521.

It is an arithmetic number, because the mean of its divisors is an integer number (83470).

2³²⁸⁹⁰³ is an apocalyptic number.

328903 is a deficient number, since it is larger than the sum of its proper divisors (4977).

328903 is an equidigital number, since it uses as much as digits as its factorization.

328903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4976.

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

The square root of 328903 is about 573.5006538793. The cubic root of 328903 is about 69.0275742203.

The spelling of 328903 in words is "three hundred twenty-eight thousand, nine hundred three".