328635 has 24 divisors (see below), whose sum is σ = 583440. Its totient is φ = 171072.

The previous prime is 328633. The next prime is 328637. The reversal of 328635 is 536823.

328635 is a `hidden beast` number, since 3 + 28 + 635 = 666.

It is an interprime number because it is at equal distance from previous prime (328633) and next prime (328637).

It is not a de Polignac number, because 328635 - 2¹ = 328633 is a prime.

It is a d-powerful number, because it can be written as 3⁹ + 2¹⁷ + 6³ + 8³ + 3¹¹ + 5 .

It is a junction number, because it is equal to n+sod(n) for n = 328599 and 328608.

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 23 ways as a sum of consecutive naturals, for example, 2961 + ... + 3069.

It is an arithmetic number, because the mean of its divisors is an integer number (24310).

2³²⁸⁶³⁵ is an apocalyptic number.

328635 is a deficient number, since it is larger than the sum of its proper divisors (254805).

328635 is a wasteful number, since it uses less digits than its factorization.

328635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187 (or 184 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 328635 is about 573.2669535217. The cubic root of 328635 is about 69.0088205485.

It can be divided in two parts, 3286 and 35, that added together give a triangular number (3321 = T₈₁).

The spelling of 328635 in words is "three hundred twenty-eight thousand, six hundred thirty-five".