328544346 has 32 divisors (see below), whose sum is σ = 749262528. Its totient is φ = 95143680.

The previous prime is 328544341. The next prime is 328544347. The reversal of 328544346 is 643445823.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (328544341) 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 15 ways as a sum of consecutive naturals, for example, 122560 + ... + 125211.

It is an arithmetic number, because the mean of its divisors is an integer number (23414454).

Almost surely, 2^328544346 is an apocalyptic number.

328544346 is an abundant number, since it is smaller than the sum of its proper divisors (420718182).

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

328544346 is a wasteful number, since it uses less digits than its factorization.

328544346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247806.

The product of its digits is 276480, while the sum is 39.

The square root of 328544346 is about 18125.7922861319. The cubic root of 328544346 is about 690.0247460144.

The spelling of 328544346 in words is "three hundred twenty-eight million, five hundred forty-four thousand, three hundred forty-six".