328444818 has 16 divisors (see below), whose sum is σ = 707419776. Its totient is φ = 101059920.

The previous prime is 328444817. The next prime is 328444841. The reversal of 328444818 is 818444823.

It is a self number, because there is not a number n which added to its sum of digits gives 328444818.

It is not an unprimeable number, because it can be changed into a prime (328444817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2105338 + ... + 2105493.

It is an arithmetic number, because the mean of its divisors is an integer number (44213736).

Almost surely, 2^328444818 is an apocalyptic number.

328444818 is an abundant number, since it is smaller than the sum of its proper divisors (378974958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

328444818 is a wasteful number, since it uses less digits than its factorization.

328444818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4210849.

The product of its digits is 196608, while the sum is 42.

The square root of 328444818 is about 18123.0465981854. The cubic root of 328444818 is about 689.9550611354.

The spelling of 328444818 in words is "three hundred twenty-eight million, four hundred forty-four thousand, eight hundred eighteen".