285327465 has 32 divisors (see below), whose sum is σ = 481766400. Its totient is φ = 143801280.

The previous prime is 285327457. The next prime is 285327509. The reversal of 285327465 is 564723582.

It is not a de Polignac number, because 285327465 - 2³ = 285327457 is a prime.

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, 138916 + ... + 140954.

It is an arithmetic number, because the mean of its divisors is an integer number (15055200).

Almost surely, 2^285327465 is an apocalyptic number.

It is an amenable number.

285327465 is a deficient number, since it is larger than the sum of its proper divisors (196438935).

285327465 is a wasteful number, since it uses less digits than its factorization.

285327465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2557.

The product of its digits is 403200, while the sum is 42.

The square root of 285327465 is about 16891.6389080515. The cubic root of 285327465 is about 658.3363863912.

The spelling of 285327465 in words is "two hundred eighty-five million, three hundred twenty-seven thousand, four hundred sixty-five".