285746668 has 6 divisors (see below), whose sum is σ = 500056676. Its totient is φ = 142873332.

The previous prime is 285746639. The next prime is 285746689. The reversal of 285746668 is 866647582.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 35718330 + ... + 35718337.

Almost surely, 2^285746668 is an apocalyptic number.

It is an amenable number.

285746668 is a deficient number, since it is larger than the sum of its proper divisors (214310008).

285746668 is a wasteful number, since it uses less digits than its factorization.

285746668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71436671 (or 71436669 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 52.

The square root of 285746668 is about 16904.0429483600. The cubic root of 285746668 is about 658.6586378126.

The spelling of 285746668 in words is "two hundred eighty-five million, seven hundred forty-six thousand, six hundred sixty-eight".