285064447 has 8 divisors (see below), whose sum is σ = 291485376. Its totient is φ = 278658432.

The previous prime is 285064427. The next prime is 285064453. The reversal of 285064447 is 744460582.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 285064447 - 2¹¹ = 285062399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285064427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40803 + ... + 47275.

It is an arithmetic number, because the mean of its divisors is an integer number (36435672).

Almost surely, 2^285064447 is an apocalyptic number.

285064447 is a deficient number, since it is larger than the sum of its proper divisors (6420929).

285064447 is an equidigital number, since it uses as much as digits as its factorization.

285064447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7457.

The product of its (nonzero) digits is 215040, while the sum is 40.

The square root of 285064447 is about 16883.8516636459. The cubic root of 285064447 is about 658.1340369583.

The spelling of 285064447 in words is "two hundred eighty-five million, sixty-four thousand, four hundred forty-seven".