328356407 has 2 divisors, whose sum is σ = 328356408. Its totient is φ = 328356406.

The previous prime is 328356401. The next prime is 328356419. The reversal of 328356407 is 704653823.

It is a weak prime.

It is an emirp because it is prime and its reverse (704653823) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 328356407 - 2¹⁶ = 328290871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (328356401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164178203 + 164178204.

It is an arithmetic number, because the mean of its divisors is an integer number (164178204).

Almost surely, 2^328356407 is an apocalyptic number.

328356407 is a deficient number, since it is larger than the sum of its proper divisors (1).

328356407 is an equidigital number, since it uses as much as digits as its factorization.

328356407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 328356407 is about 18120.6072469992. The cubic root of 328356407 is about 689.8931480553.

The spelling of 328356407 in words is "three hundred twenty-eight million, three hundred fifty-six thousand, four hundred seven".