328873545 has 192 divisors, whose sum is σ = 786240000. Its totient is φ = 125314560.

The previous prime is 328873537. The next prime is 328873547. The reversal of 328873545 is 545378823.

328873545 is a `hidden beast` number, since 3 + 28 + 87 + 3 + 545 = 666.

It is not a de Polignac number, because 328873545 - 2³ = 328873537 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 328873545.

It is not an unprimeable number, because it can be changed into a prime (328873547) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 2207131 + ... + 2207279.

It is an arithmetic number, because the mean of its divisors is an integer number (4095000).

Almost surely, 2^328873545 is an apocalyptic number.

328873545 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

328873545 is an abundant number, since it is smaller than the sum of its proper divisors (457366455).

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

328873545 is a wasteful number, since it uses less digits than its factorization.

328873545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205 (or 188 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The square root of 328873545 is about 18134.8709672829. The cubic root of 328873545 is about 690.2551356427.

The spelling of 328873545 in words is "three hundred twenty-eight million, eight hundred seventy-three thousand, five hundred forty-five".