285940003 has 8 divisors (see below), whose sum is σ = 287292096. Its totient is φ = 284592000.

The previous prime is 285939943. The next prime is 285940009. The reversal of 285940003 is 300049582.

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 285940003 - 2²⁵ = 252385571 is a prime.

It is a super-3 number, since 3×285940003³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (285940009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324123 + ... + 325003.

It is an arithmetic number, because the mean of its divisors is an integer number (35911512).

Almost surely, 2^285940003 is an apocalyptic number.

285940003 is a deficient number, since it is larger than the sum of its proper divisors (1352093).

285940003 is an equidigital number, since it uses as much as digits as its factorization.

285940003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2045.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 285940003 is about 16909.7605837575. The cubic root of 285940003 is about 658.8071528822.

Adding to 285940003 its reverse (300049582), we get a palindrome (585989585).

The spelling of 285940003 in words is "two hundred eighty-five million, nine hundred forty thousand, three".