328743 has 6 divisors (see below), whose sum is σ = 474864. Its totient is φ = 219156.

The previous prime is 328721. The next prime is 328753. The reversal of 328743 is 347823.

It is not a de Polignac number, because 328743 - 2¹² = 324647 is a prime.

It is a d-powerful number, because it can be written as 3³ + 2⁷ + 7⁶ + 8⁵ + 4⁵ + 3¹¹ .

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 pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18255 + ... + 18272.

It is an arithmetic number, because the mean of its divisors is an integer number (79144).

2³²⁸⁷⁴³ is an apocalyptic number.

328743 is a deficient number, since it is larger than the sum of its proper divisors (146121).

328743 is a wasteful number, since it uses less digits than its factorization.

328743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36533 (or 36530 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 328743 is about 573.3611427364. The cubic root of 328743 is about 69.0163792244.

The spelling of 328743 in words is "three hundred twenty-eight thousand, seven hundred forty-three".