328045656 has 16 divisors (see below), whose sum is σ = 820114200. Its totient is φ = 109348544.

The previous prime is 328045649. The next prime is 328045661. The reversal of 328045656 is 656540823.

It is a super-2 number, since 2×328045656² = 215227904840940672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6834261 + ... + 6834308.

Almost surely, 2^328045656 is an apocalyptic number.

It is an amenable number.

328045656 is an abundant number, since it is smaller than the sum of its proper divisors (492068544).

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

328045656 is a wasteful number, since it uses less digits than its factorization.

328045656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13668578 (or 13668574 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

The square root of 328045656 is about 18112.0306978538. The cubic root of 328045656 is about 689.6754449266.

The spelling of 328045656 in words is "three hundred twenty-eight million, forty-five thousand, six hundred fifty-six".