328726 has 4 divisors (see below), whose sum is σ = 493092. Its totient is φ = 164362.

The previous prime is 328721. The next prime is 328753. The reversal of 328726 is 627823.

328726 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 627823 = 7 ⋅89689.

It is a d-powerful number, because it can be written as 3² + 2¹⁰ + 7 + 8⁶ + 2¹⁶ + 6 .

It is a junction number, because it is equal to n+sod(n) for n = 328694 and 328703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328721) by changing a digit.

328726 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82180 + ... + 82183.

It is an arithmetic number, because the mean of its divisors is an integer number (123273).

2³²⁸⁷²⁶ is an apocalyptic number.

328726 is a deficient number, since it is larger than the sum of its proper divisors (164366).

328726 is a wasteful number, since it uses less digits than its factorization.

328726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164365.

The product of its digits is 4032, while the sum is 28.

The square root of 328726 is about 573.3463176824. The cubic root of 328726 is about 69.0151895426.

The spelling of 328726 in words is "three hundred twenty-eight thousand, seven hundred twenty-six".