328238218 has 16 divisors (see below), whose sum is σ = 613848384. Its totient is φ = 127884960.

The previous prime is 328238201. The next prime is 328238249. The reversal of 328238218 is 812832823.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1065555 + ... + 1065862.

It is an arithmetic number, because the mean of its divisors is an integer number (38365524).

Almost surely, 2^328238218 is an apocalyptic number.

328238218 is a deficient number, since it is larger than the sum of its proper divisors (285610166).

328238218 is a wasteful number, since it uses less digits than its factorization.

328238218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2131437.

The product of its digits is 36864, while the sum is 37.

The square root of 328238218 is about 18117.3457769067. The cubic root of 328238218 is about 689.8103644656.

It can be divided in two parts, 32823 and 8218, that added together give a triangular number (41041 = T₂₈₆).

The spelling of 328238218 in words is "three hundred twenty-eight million, two hundred thirty-eight thousand, two hundred eighteen".