285266812 has 6 divisors (see below), whose sum is σ = 499216928. Its totient is φ = 142633404.

The previous prime is 285266759. The next prime is 285266819. The reversal of 285266812 is 218662582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285266819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35658348 + ... + 35658355.

Almost surely, 2^285266812 is an apocalyptic number.

It is an amenable number.

285266812 is a deficient number, since it is larger than the sum of its proper divisors (213950116).

285266812 is a wasteful number, since it uses less digits than its factorization.

285266812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71316707 (or 71316705 counting only the distinct ones).

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

The square root of 285266812 is about 16889.8434569418. The cubic root of 285266812 is about 658.2897348399.

The spelling of 285266812 in words is "two hundred eighty-five million, two hundred sixty-six thousand, eight hundred twelve".