285705484 has 6 divisors (see below), whose sum is σ = 499984604. Its totient is φ = 142852740.

The previous prime is 285705481. The next prime is 285705499. The reversal of 285705484 is 484507582.

It is a happy number.

285705484 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 285705484.

It is not an unprimeable number, because it can be changed into a prime (285705481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35713182 + ... + 35713189.

Almost surely, 2^285705484 is an apocalyptic number.

It is an amenable number.

285705484 is a deficient number, since it is larger than the sum of its proper divisors (214279120).

285705484 is a wasteful number, since it uses less digits than its factorization.

285705484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71426375 (or 71426373 counting only the distinct ones).

The product of its (nonzero) digits is 358400, while the sum is 43.

The square root of 285705484 is about 16902.8247343454. The cubic root of 285705484 is about 658.6269926484.

The spelling of 285705484 in words is "two hundred eighty-five million, seven hundred five thousand, four hundred eighty-four".