285091382 has 8 divisors (see below), whose sum is σ = 427798152. Its totient is φ = 142492000.

The previous prime is 285091379. The next prime is 285091393. The reversal of 285091382 is 283190582.

285091382 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a pancake number, because a pancake can be divided into 285091382 parts by 23878 straight cuts.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19844 + ... + 31047.

It is an arithmetic number, because the mean of its divisors is an integer number (53474769).

Almost surely, 2^285091382 is an apocalyptic number.

285091382 is a deficient number, since it is larger than the sum of its proper divisors (142706770).

285091382 is a wasteful number, since it uses less digits than its factorization.

285091382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53694.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 285091382 is about 16884.6493004741. The cubic root of 285091382 is about 658.1547647647.

The spelling of 285091382 in words is "two hundred eighty-five million, ninety-one thousand, three hundred eighty-two".