285104668 has 12 divisors (see below), whose sum is σ = 504945000. Its totient is φ = 140834672.

The previous prime is 285104657. The next prime is 285104669. The reversal of 285104668 is 866401582.

It is a self number, because there is not a number n which added to its sum of digits gives 285104668.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285104669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 429043 + ... + 429706.

It is an arithmetic number, because the mean of its divisors is an integer number (42078750).

Almost surely, 2^285104668 is an apocalyptic number.

It is an amenable number.

285104668 is a deficient number, since it is larger than the sum of its proper divisors (219840332).

285104668 is a wasteful number, since it uses less digits than its factorization.

285104668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858836 (or 858834 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 285104668 is about 16885.0427301799. The cubic root of 285104668 is about 658.1649885139.

The spelling of 285104668 in words is "two hundred eighty-five million, one hundred four thousand, six hundred sixty-eight".