328645016 has 32 divisors (see below), whose sum is σ = 705411840. Its totient is φ = 140613408.

The previous prime is 328644991. The next prime is 328645027. The reversal of 328645016 is 610546823.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31445 + ... + 40571.

It is an arithmetic number, because the mean of its divisors is an integer number (22044120).

Almost surely, 2^328645016 is an apocalyptic number.

It is an amenable number.

328645016 is an abundant number, since it is smaller than the sum of its proper divisors (376766824).

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

328645016 is a wasteful number, since it uses less digits than its factorization.

328645016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9783 (or 9779 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 328645016 is about 18128.5690554991. The cubic root of 328645016 is about 690.0952161537.

The spelling of 328645016 in words is "three hundred twenty-eight million, six hundred forty-five thousand, sixteen".