328634 has 8 divisors (see below), whose sum is σ = 506388. Its totient is φ = 159840.

The previous prime is 328633. The next prime is 328637. The reversal of 328634 is 436823.

It can be written as a sum of positive squares in 2 ways, for example, as 319225 + 9409 = 565^2 + 97^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a d-powerful number, because it can be written as 3⁹ + 2¹⁷ + 6³ + 8³ + 3¹¹ + 4 .

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 328634.

It is not an unprimeable number, because it can be changed into a prime (328633) 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, 2147 + ... + 2294.

2³²⁸⁶³⁴ is an apocalyptic number.

328634 is a deficient number, since it is larger than the sum of its proper divisors (177754).

328634 is a wasteful number, since it uses less digits than its factorization.

328634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4480.

The product of its digits is 3456, while the sum is 26.

The square root of 328634 is about 573.2660813270. The cubic root of 328634 is about 69.0087505530.

The spelling of 328634 in words is "three hundred twenty-eight thousand, six hundred thirty-four".