328718384 has 10 divisors (see below), whose sum is σ = 636891900. Its totient is φ = 164359184.

The previous prime is 328718381. The next prime is 328718387. The reversal of 328718384 is 483817823.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (328718381) and next prime (328718387).

It is not an unprimeable number, because it can be changed into a prime (328718381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10272434 + ... + 10272465.

It is an arithmetic number, because the mean of its divisors is an integer number (63689190).

Almost surely, 2^328718384 is an apocalyptic number.

It is an amenable number.

328718384 is a deficient number, since it is larger than the sum of its proper divisors (308173516).

328718384 is a wasteful number, since it uses less digits than its factorization.

328718384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20544907 (or 20544901 counting only the distinct ones).

The product of its digits is 258048, while the sum is 44.

The square root of 328718384 is about 18130.5924889398. The cubic root of 328718384 is about 690.1465655186.

The spelling of 328718384 in words is "three hundred twenty-eight million, seven hundred eighteen thousand, three hundred eighty-four".