285670716 has 12 divisors (see below), whose sum is σ = 666565032. Its totient is φ = 95223568.

The previous prime is 285670711. The next prime is 285670717. The reversal of 285670716 is 617076582.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285670711) 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, 11902935 + ... + 11902958.

It is an arithmetic number, because the mean of its divisors is an integer number (55547086).

Almost surely, 2^285670716 is an apocalyptic number.

It is an amenable number.

285670716 is an abundant number, since it is smaller than the sum of its proper divisors (380894316).

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

285670716 is a wasteful number, since it uses less digits than its factorization.

285670716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23805900 (or 23805898 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 285670716 is about 16901.7962359034. The cubic root of 285670716 is about 658.6002750744.

The spelling of 285670716 in words is "two hundred eighty-five million, six hundred seventy thousand, seven hundred sixteen".