328867550 has 72 divisors (see below), whose sum is σ = 709206840. Its totient is φ = 112499200.

The previous prime is 328867543. The next prime is 328867573. The reversal of 328867550 is 55768823.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 157916 + ... + 159984.

It is an arithmetic number, because the mean of its divisors is an integer number (9850095).

Almost surely, 2^328867550 is an apocalyptic number.

328867550 is an abundant number, since it is smaller than the sum of its proper divisors (380339290).

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

328867550 is a wasteful number, since it uses less digits than its factorization.

328867550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2126 (or 2104 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 44.

The square root of 328867550 is about 18134.7056772367. The cubic root of 328867550 is about 690.2509414220.

The spelling of 328867550 in words is "three hundred twenty-eight million, eight hundred sixty-seven thousand, five hundred fifty".