320284085 has 32 divisors (see below), whose sum is σ = 446902272. Its totient is φ = 218025280.

The previous prime is 320284073. The next prime is 320284103. The reversal of 320284085 is 580482023.

It is not a de Polignac number, because 320284085 - 2⁶ = 320284021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56762 + ... + 62148.

It is an arithmetic number, because the mean of its divisors is an integer number (13965696).

Almost surely, 2^320284085 is an apocalyptic number.

It is an amenable number.

320284085 is a deficient number, since it is larger than the sum of its proper divisors (126618187).

320284085 is a wasteful number, since it uses less digits than its factorization.

320284085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5473.

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 320284085 is about 17896.4824756151. The cubic root of 320284085 is about 684.1927265187.

The spelling of 320284085 in words is "three hundred twenty million, two hundred eighty-four thousand, eighty-five".