328291927 has 2 divisors, whose sum is σ = 328291928. Its totient is φ = 328291926.

The previous prime is 328291889. The next prime is 328291939. The reversal of 328291927 is 729192823.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 328291927 - 2¹⁵ = 328259159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (328291987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164145963 + 164145964.

It is an arithmetic number, because the mean of its divisors is an integer number (164145964).

Almost surely, 2^328291927 is an apocalyptic number.

328291927 is a deficient number, since it is larger than the sum of its proper divisors (1).

328291927 is an equidigital number, since it uses as much as digits as its factorization.

328291927 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 43.

The square root of 328291927 is about 18118.8279698219. The cubic root of 328291927 is about 689.8479865363.

The spelling of 328291927 in words is "three hundred twenty-eight million, two hundred ninety-one thousand, nine hundred twenty-seven".