285004412 has 24 divisors (see below), whose sum is σ = 621828480. Its totient is φ = 111040560.

The previous prime is 285004411. The next prime is 285004453. The reversal of 285004412 is 214400582.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285004411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 462362 + ... + 462977.

It is an arithmetic number, because the mean of its divisors is an integer number (25909520).

Almost surely, 2^285004412 is an apocalyptic number.

285004412 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

285004412 is an abundant number, since it is smaller than the sum of its proper divisors (336824068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

285004412 is a wasteful number, since it uses less digits than its factorization.

285004412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925361 (or 925359 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 285004412 is about 16882.0736877908. The cubic root of 285004412 is about 658.0878323762.

Adding to 285004412 its reverse (214400582), we get a palindrome (499404994).

The spelling of 285004412 in words is "two hundred eighty-five million, four thousand, four hundred twelve".