328751 has 4 divisors (see below), whose sum is σ = 329904. Its totient is φ = 327600.

The previous prime is 328721. The next prime is 328753. The reversal of 328751 is 157823.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 328751 - 2⁶ = 328687 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 328751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328753) 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, 206 + ... + 836.

It is an arithmetic number, because the mean of its divisors is an integer number (82476).

2³²⁸⁷⁵¹ is an apocalyptic number.

328751 is a deficient number, since it is larger than the sum of its proper divisors (1153).

328751 is an equidigital number, since it uses as much as digits as its factorization.

328751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1152.

The product of its digits is 1680, while the sum is 26.

The square root of 328751 is about 573.3681190998. The cubic root of 328751 is about 69.0169390604.

The spelling of 328751 in words is "three hundred twenty-eight thousand, seven hundred fifty-one".