285712994 has 16 divisors (see below), whose sum is σ = 515572800. Its totient is φ = 116003664.

The previous prime is 285712993. The next prime is 285712997. The reversal of 285712994 is 499217582.

It is not an unprimeable number, because it can be changed into a prime (285712993) 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, 536789 + ... + 537320.

It is an arithmetic number, because the mean of its divisors is an integer number (32223300).

Almost surely, 2^285712994 is an apocalyptic number.

285712994 is a deficient number, since it is larger than the sum of its proper divisors (229859806).

285712994 is a wasteful number, since it uses less digits than its factorization.

285712994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074137.

The product of its digits is 362880, while the sum is 47.

The square root of 285712994 is about 16903.0468851033. The cubic root of 285712994 is about 658.6327634458.

It can be divided in two parts, 2857 and 12994, that added together give a palindrome (15851).

The spelling of 285712994 in words is "two hundred eighty-five million, seven hundred twelve thousand, nine hundred ninety-four".