285703912 has 64 divisors (see below), whose sum is σ = 611251200. Its totient is φ = 124104960.

The previous prime is 285703909. The next prime is 285703919. The reversal of 285703912 is 219307582.

285703912 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (285703919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 377038 + ... + 377794.

It is an arithmetic number, because the mean of its divisors is an integer number (9550800).

Almost surely, 2^285703912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 285703912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (305625600).

285703912 is an abundant number, since it is smaller than the sum of its proper divisors (325547288).

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

285703912 is a wasteful number, since it uses less digits than its factorization.

285703912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986 (or 982 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 285703912 is about 16902.7782331781. The cubic root of 285703912 is about 658.6257846871.

The spelling of 285703912 in words is "two hundred eighty-five million, seven hundred three thousand, nine hundred twelve".