328252788 has 18 divisors (see below), whose sum is σ = 829750194. Its totient is φ = 109417584.

The previous prime is 328252787. The next prime is 328252801. The reversal of 328252788 is 887252823.

328252788 is a `hidden beast` number, since 328 + 252 + 78 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 211353444 + 116899344 = 14538^2 + 10812^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328252787) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4559031 + ... + 4559102.

It is an arithmetic number, because the mean of its divisors is an integer number (46097233).

Almost surely, 2^328252788 is an apocalyptic number.

It is an amenable number.

328252788 is an abundant number, since it is smaller than the sum of its proper divisors (501497406).

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

328252788 is a wasteful number, since it uses less digits than its factorization.

328252788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9118143 (or 9118138 counting only the distinct ones).

The product of its digits is 430080, while the sum is 45.

The square root of 328252788 is about 18117.7478732871. The cubic root of 328252788 is about 689.8205708622.

It can be divided in two parts, 328 and 252788, that added together give a triangular number (253116 = T₇₁₁).

The spelling of 328252788 in words is "three hundred twenty-eight million, two hundred fifty-two thousand, seven hundred eighty-eight".