328243807 has 2 divisors, whose sum is σ = 328243808. Its totient is φ = 328243806.

The previous prime is 328243801. The next prime is 328243813. The reversal of 328243807 is 708342823.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (328243801) and next prime (328243813).

It is an emirp because it is prime and its reverse (708342823) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 328243807 - 2⁷ = 328243679 is a prime.

It is a Chen prime.

It is the 18118-th Hogben number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (328243801) by changing a digit.

It is a nontrivial repunit in base 18117.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164121903 + 164121904.

It is an arithmetic number, because the mean of its divisors is an integer number (164121904).

Almost surely, 2^328243807 is an apocalyptic number.

328243807 is a deficient number, since it is larger than the sum of its proper divisors (1).

328243807 is an equidigital number, since it uses as much as digits as its factorization.

328243807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 328243807 is about 18117.5000206982. The cubic root of 328243807 is about 689.8142796386.

It can be divided in two parts, 3282 and 43807, that added together give a square (47089 = 217²).

The spelling of 328243807 in words is "three hundred twenty-eight million, two hundred forty-three thousand, eight hundred seven".