328280616 has 24 divisors (see below), whose sum is σ = 889093530. Its totient is φ = 109426848.

The previous prime is 328280593. The next prime is 328280621. The reversal of 328280616 is 616082823.

328280616 is a `hidden beast` number, since 32 + 8 + 2 + 8 + 0 + 616 = 666.

It can be written as a sum of positive squares in only one way, i.e., 301716900 + 26563716 = 17370^2 + 5154^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 2279655 + ... + 2279798.

Almost surely, 2^328280616 is an apocalyptic number.

328280616 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

328280616 is an abundant number, since it is smaller than the sum of its proper divisors (560812914).

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

328280616 is a wasteful number, since it uses less digits than its factorization.

328280616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4559465 (or 4559458 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 328280616 is about 18118.5158332574. The cubic root of 328280616 is about 689.8400637501.

The spelling of 328280616 in words is "three hundred twenty-eight million, two hundred eighty thousand, six hundred sixteen".