328678 has 16 divisors (see below), whose sum is σ = 597024. Its totient is φ = 132480.

The previous prime is 328667. The next prime is 328687. The reversal of 328678 is 876823.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

328678 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 in 7 ways as a sum of consecutive naturals, for example, 453 + ... + 928.

It is an arithmetic number, because the mean of its divisors is an integer number (37314).

2³²⁸⁶⁷⁸ is an apocalyptic number.

328678 is a deficient number, since it is larger than the sum of its proper divisors (268346).

328678 is a wasteful number, since it uses less digits than its factorization.

328678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1407.

The product of its digits is 16128, while the sum is 34.

The square root of 328678 is about 573.3044566371. The cubic root of 328678 is about 69.0118302197.

It can be divided in two parts, 3286 and 78, that added together give a square (3364 = 58²).

The spelling of 328678 in words is "three hundred twenty-eight thousand, six hundred seventy-eight".