328812550 has 48 divisors (see below), whose sum is σ = 677224512. Its totient is φ = 117770400.

The previous prime is 328812433. The next prime is 328812559. The reversal of 328812550 is 55218823.

328812550 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×328812550³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328812559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32389 + ... + 41311.

It is an arithmetic number, because the mean of its divisors is an integer number (14108844).

Almost surely, 2^328812550 is an apocalyptic number.

328812550 is an abundant number, since it is smaller than the sum of its proper divisors (348411962).

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

328812550 is a wasteful number, since it uses less digits than its factorization.

328812550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9013 (or 9008 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 328812550 is about 18133.1891844761. The cubic root of 328812550 is about 690.2124599539.

The spelling of 328812550 in words is "three hundred twenty-eight million, eight hundred twelve thousand, five hundred fifty".