285982655 has 8 divisors (see below), whose sum is σ = 392204832. Its totient is φ = 196102368.

The previous prime is 285982649. The next prime is 285982663. The reversal of 285982655 is 556289582.

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

It is not a de Polignac number, because 285982655 - 2⁸ = 285982399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4085432 + ... + 4085501.

It is an arithmetic number, because the mean of its divisors is an integer number (49025604).

Almost surely, 2^285982655 is an apocalyptic number.

285982655 is a deficient number, since it is larger than the sum of its proper divisors (106222177).

285982655 is an equidigital number, since it uses as much as digits as its factorization.

285982655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8170945.

The product of its digits is 1728000, while the sum is 50.

The square root of 285982655 is about 16911.0217018369. The cubic root of 285982655 is about 658.8399080585.

The spelling of 285982655 in words is "two hundred eighty-five million, nine hundred eighty-two thousand, six hundred fifty-five".