328147 has 4 divisors (see below), whose sum is σ = 329760. Its totient is φ = 326536.

The previous prime is 328129. The next prime is 328171. The reversal of 328147 is 741823.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 741823 = 389 ⋅1907.

It is a cyclic number.

It is not a de Polignac number, because 328147 - 2¹¹ = 326099 is a prime.

It is a Duffinian number.

328147 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (328127) 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, 448 + ... + 925.

It is an arithmetic number, because the mean of its divisors is an integer number (82440).

2³²⁸¹⁴⁷ is an apocalyptic number.

328147 is a deficient number, since it is larger than the sum of its proper divisors (1613).

328147 is a wasteful number, since it uses less digits than its factorization.

328147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1612.

The product of its digits is 1344, while the sum is 25.

The square root of 328147 is about 572.8411647219. The cubic root of 328147 is about 68.9746458692.

The spelling of 328147 in words is "three hundred twenty-eight thousand, one hundred forty-seven".