285073999 has 8 divisors (see below), whose sum is σ = 326405408. Its totient is φ = 243894240.

The previous prime is 285073981. The next prime is 285074021. The reversal of 285073999 is 999370582.

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 285073999 - 2⁹ = 285073487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285073199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33852 + ... + 41425.

It is an arithmetic number, because the mean of its divisors is an integer number (40800676).

Almost surely, 2^285073999 is an apocalyptic number.

285073999 is a deficient number, since it is larger than the sum of its proper divisors (41331409).

285073999 is an equidigital number, since it uses as much as digits as its factorization.

285073999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75825.

The product of its (nonzero) digits is 1224720, while the sum is 52.

The square root of 285073999 is about 16884.1345351191. The cubic root of 285073999 is about 658.1413878412.

The spelling of 285073999 in words is "two hundred eighty-five million, seventy-three thousand, nine hundred ninety-nine".