328612028 has 18 divisors (see below), whose sum is σ = 594227088. Its totient is φ = 159003960.

The previous prime is 328612013. The next prime is 328612051. The reversal of 328612028 is 820216823.

It is a junction number, because it is equal to n+sod(n) for n = 328611985 and 328612003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 38900 + ... + 46587.

It is an arithmetic number, because the mean of its divisors is an integer number (33012616).

Almost surely, 2^328612028 is an apocalyptic number.

It is an amenable number.

328612028 is a deficient number, since it is larger than the sum of its proper divisors (265615060).

328612028 is a wasteful number, since it uses less digits than its factorization.

328612028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85553 (or 85520 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 328612028 is about 18127.6591980322. The cubic root of 328612028 is about 690.0721257658.

The spelling of 328612028 in words is "three hundred twenty-eight million, six hundred twelve thousand, twenty-eight".