328885065 has 24 divisors (see below), whose sum is σ = 570740040. Its totient is φ = 175198464.

The previous prime is 328885061. The next prime is 328885069. The reversal of 328885065 is 560588823.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (328885061) and next prime (328885069).

It can be written as a sum of positive squares in 4 ways, for example, as 92217609 + 236667456 = 9603^2 + 15384^2 .

It is not a de Polignac number, because 328885065 - 2² = 328885061 is a prime.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 328885065.

It is not an unprimeable number, because it can be changed into a prime (328885061) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39051 + ... + 46719.

It is an arithmetic number, because the mean of its divisors is an integer number (23780835).

Almost surely, 2^328885065 is an apocalyptic number.

It is an amenable number.

328885065 is a deficient number, since it is larger than the sum of its proper divisors (241854975).

328885065 is a wasteful number, since it uses less digits than its factorization.

328885065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8633 (or 8630 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 45.

The square root of 328885065 is about 18135.1885846274. The cubic root of 328885065 is about 690.2631951197.

The spelling of 328885065 in words is "three hundred twenty-eight million, eight hundred eighty-five thousand, sixty-five".