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328919 is a prime number
BaseRepresentation
bin1010000010011010111
3121201012012
41100103113
541011134
611014435
72536643
oct1202327
9551165
10328919
11205138
1213a41b
13b6936
1487c23
15676ce
hex504d7

328919 has 2 divisors, whose sum is σ = 328920. Its totient is φ = 328918.

The previous prime is 328901. The next prime is 328921. The reversal of 328919 is 919823.

It is a strong prime.

It is an emirp because it is prime and its reverse (919823) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 328919 - 216 = 263383 is a prime.

It is a super-2 number, since 2×3289192 = 216375417122, which contains 22 as substring.

Together with 328921, it forms a pair of twin primes.

It is a Chen prime.

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 328919.

It is not a weakly prime, because it can be changed into another prime (328519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164459 + 164460.

It is an arithmetic number, because the mean of its divisors is an integer number (164460).

2328919 is an apocalyptic number.

328919 is a deficient number, since it is larger than the sum of its proper divisors (1).

328919 is an equidigital number, since it uses as much as digits as its factorization.

328919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 32.

The square root of 328919 is about 573.5146031271. The cubic root of 328919 is about 69.0286935202.

The spelling of 328919 in words is "three hundred twenty-eight thousand, nine hundred nineteen".