328883947 has 4 divisors (see below), whose sum is σ = 375867376. Its totient is φ = 281900520.

The previous prime is 328883941. The next prime is 328883953. The reversal of 328883947 is 749388823.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (328883941) and next prime (328883953).

It is a cyclic number.

It is not a de Polignac number, because 328883947 - 2¹⁹ = 328359659 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 328883894 and 328883903.

It is not an unprimeable number, because it can be changed into a prime (328883941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23491704 + ... + 23491717.

It is an arithmetic number, because the mean of its divisors is an integer number (93966844).

Almost surely, 2^328883947 is an apocalyptic number.

328883947 is a deficient number, since it is larger than the sum of its proper divisors (46983429).

328883947 is an equidigital number, since it uses as much as digits as its factorization.

328883947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46983428.

The product of its digits is 2322432, while the sum is 52.

The square root of 328883947 is about 18135.1577605490. The cubic root of 328883947 is about 690.2624129669.

The spelling of 328883947 in words is "three hundred twenty-eight million, eight hundred eighty-three thousand, nine hundred forty-seven".