328782288 has 40 divisors (see below), whose sum is σ = 850445568. Its totient is φ = 109453312.

The previous prime is 328782277. The next prime is 328782313. The reversal of 328782288 is 882287823.

It is a happy number.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 37456 + ... + 45392.

Almost surely, 2^328782288 is an apocalyptic number.

It is an amenable number.

328782288 is an abundant number, since it is smaller than the sum of its proper divisors (521663280).

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

328782288 is a wasteful number, since it uses less digits than its factorization.

328782288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8811 (or 8805 counting only the distinct ones).

The product of its digits is 688128, while the sum is 48.

The square root of 328782288 is about 18132.3547284957. The cubic root of 328782288 is about 690.1912849204.

The spelling of 328782288 in words is "three hundred twenty-eight million, seven hundred eighty-two thousand, two hundred eighty-eight".