328661836 has 12 divisors (see below), whose sum is σ = 576012528. Its totient is φ = 164086832.

The previous prime is 328661813. The next prime is 328661849. The reversal of 328661836 is 638166823.

It is a junction number, because it is equal to n+sod(n) for n = 328661792 and 328661801.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57976 + ... + 63391.

It is an arithmetic number, because the mean of its divisors is an integer number (48001044).

Almost surely, 2^328661836 is an apocalyptic number.

It is an amenable number.

328661836 is a deficient number, since it is larger than the sum of its proper divisors (247350692).

328661836 is a wasteful number, since it uses less digits than its factorization.

328661836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122048 (or 122046 counting only the distinct ones).

The product of its digits is 248832, while the sum is 43.

The square root of 328661836 is about 18129.0329582137. The cubic root of 328661836 is about 690.1069889409.

The spelling of 328661836 in words is "three hundred twenty-eight million, six hundred sixty-one thousand, eight hundred thirty-six".