328356406 has 16 divisors (see below), whose sum is σ = 564702624. Its totient is φ = 140272704.

The previous prime is 328356401. The next prime is 328356407. The reversal of 328356406 is 604653823.

It is a super-2 number, since 2×328356406² = 215635858722473672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328356401) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 33085 + ... + 41848.

It is an arithmetic number, because the mean of its divisors is an integer number (35293914).

Almost surely, 2^328356406 is an apocalyptic number.

328356406 is a deficient number, since it is larger than the sum of its proper divisors (236346218).

328356406 is a wasteful number, since it uses less digits than its factorization.

328356406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75255.

The product of its (nonzero) digits is 103680, while the sum is 37.

The square root of 328356406 is about 18120.6072194063. The cubic root of 328356406 is about 689.8931473549.

The spelling of 328356406 in words is "three hundred twenty-eight million, three hundred fifty-six thousand, four hundred six".