328280544 has 36 divisors (see below), whose sum is σ = 933548616. Its totient is φ = 109426752.

The previous prime is 328280531. The next prime is 328280581. The reversal of 328280544 is 445082823.

328280544 is a `hidden beast` number, since 32 + 8 + 2 + 80 + 544 = 666.

328280544 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (36) 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 (36).

It is a junction number, because it is equal to n+sod(n) for n = 328280499 and 328280508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 569644 + ... + 570219.

It is an arithmetic number, because the mean of its divisors is an integer number (25931906).

Almost surely, 2^328280544 is an apocalyptic number.

It is an amenable number.

328280544 is an abundant number, since it is smaller than the sum of its proper divisors (605268072).

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

328280544 is a wasteful number, since it uses less digits than its factorization.

328280544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139879 (or 1139868 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

The square root of 328280544 is about 18118.5138463396. The cubic root of 328280544 is about 689.8400133172.

The spelling of 328280544 in words is "three hundred twenty-eight million, two hundred eighty thousand, five hundred forty-four".