328003986 has 8 divisors (see below), whose sum is σ = 656007984. Its totient is φ = 109334660.

The previous prime is 328003979. The next prime is 328003997. The reversal of 328003986 is 689300823.

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

328003986 is an admirable number.

It is a super-2 number, since 2×328003986² = 215173229663776392, which contains 22 as substring.

It is a Curzon number.

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, 27333660 + ... + 27333671.

It is an arithmetic number, because the mean of its divisors is an integer number (82000998).

Almost surely, 2^328003986 is an apocalyptic number.

328003986 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

328003986 is a wasteful number, since it uses less digits than its factorization.

328003986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54667336.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 328003986 is about 18110.8803209562. The cubic root of 328003986 is about 689.6462416819.

The spelling of 328003986 in words is "three hundred twenty-eight million, three thousand, nine hundred eighty-six".