328641827 has 2 divisors, whose sum is σ = 328641828. Its totient is φ = 328641826.

The previous prime is 328641823. The next prime is 328641853. The reversal of 328641827 is 728146823.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 328641827 - 2² = 328641823 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (328641821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164320913 + 164320914.

It is an arithmetic number, because the mean of its divisors is an integer number (164320914).

Almost surely, 2^328641827 is an apocalyptic number.

328641827 is a deficient number, since it is larger than the sum of its proper divisors (1).

328641827 is an equidigital number, since it uses as much as digits as its factorization.

328641827 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129024, while the sum is 41.

The square root of 328641827 is about 18128.4811001915. The cubic root of 328641827 is about 690.0929840383.

The spelling of 328641827 in words is "three hundred twenty-eight million, six hundred forty-one thousand, eight hundred twenty-seven".