328386717 has 20 divisors (see below), whose sum is σ = 492634560. Its totient is φ = 217995624.

The previous prime is 328386703. The next prime is 328386719. The reversal of 328386717 is 717683823.

It is not a de Polignac number, because 328386717 - 2²³ = 319998109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328386719) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 10878 + ... + 27840.

It is an arithmetic number, because the mean of its divisors is an integer number (24631728).

Almost surely, 2^328386717 is an apocalyptic number.

It is an amenable number.

328386717 is a deficient number, since it is larger than the sum of its proper divisors (164247843).

328386717 is a wasteful number, since it uses less digits than its factorization.

328386717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17214 (or 17205 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 328386717 is about 18121.4435683253. The cubic root of 328386717 is about 689.9143750081.

It can be divided in two parts, 3283 and 86717, that added together give a square (90000 = 300²).

The spelling of 328386717 in words is "three hundred twenty-eight million, three hundred eighty-six thousand, seven hundred seventeen".