328915 has 8 divisors (see below), whose sum is σ = 398160. Its totient is φ = 260832.

The previous prime is 328901. The next prime is 328919. The reversal of 328915 is 519823.

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

It is a cyclic number.

It is not a de Polignac number, because 328915 - 2⁵ = 328883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (328919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 576 + ... + 994.

It is an arithmetic number, because the mean of its divisors is an integer number (49770).

2³²⁸⁹¹⁵ is an apocalyptic number.

328915 is a deficient number, since it is larger than the sum of its proper divisors (69245).

328915 is a wasteful number, since it uses less digits than its factorization.

328915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581.

The product of its digits is 2160, while the sum is 28.

The square root of 328915 is about 573.5111158469. The cubic root of 328915 is about 69.0284136987.

It can be divided in two parts, 32891 and 5, that added together give a triangular number (32896 = T₂₅₆).

The spelling of 328915 in words is "three hundred twenty-eight thousand, nine hundred fifteen".