328797818 has 8 divisors (see below), whose sum is σ = 493406100. Its totient is φ = 164329120.

The previous prime is 328797809. The next prime is 328797829. The reversal of 328797818 is 818797823.

It can be written as a sum of positive squares in 2 ways, for example, as 218064289 + 110733529 = 14767^2 + 10523^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×328797818² = 216216010243122248, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 328797818.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28793 + ... + 38556.

Almost surely, 2^328797818 is an apocalyptic number.

328797818 is a deficient number, since it is larger than the sum of its proper divisors (164608282).

328797818 is a wasteful number, since it uses less digits than its factorization.

328797818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69792.

The product of its digits is 1354752, while the sum is 53.

The square root of 328797818 is about 18132.7829634615. The cubic root of 328797818 is about 690.2021517892.

The spelling of 328797818 in words is "three hundred twenty-eight million, seven hundred ninety-seven thousand, eight hundred eighteen".