328499 has 4 divisors (see below), whose sum is σ = 332280. Its totient is φ = 324720.

The previous prime is 328481. The next prime is 328511. The reversal of 328499 is 994823.

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 328499 - 2⁸ = 328243 is a prime.

It is a d-powerful number, because it can be written as 3⁶ + 2¹⁵ + 4⁹ + 8⁵ + 9 + 9² .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (328429) 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, 1757 + ... + 1934.

It is an arithmetic number, because the mean of its divisors is an integer number (83070).

2³²⁸⁴⁹⁹ is an apocalyptic number.

328499 is a deficient number, since it is larger than the sum of its proper divisors (3781).

328499 is an equidigital number, since it uses as much as digits as its factorization.

328499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3780.

The product of its digits is 15552, while the sum is 35.

The square root of 328499 is about 573.1483228624. The cubic root of 328499 is about 68.9992998599. Note that the first 3 decimals are identical.

The spelling of 328499 in words is "three hundred twenty-eight thousand, four hundred ninety-nine".