285071116 has 24 divisors (see below), whose sum is σ = 545456016. Its totient is φ = 129285120.

The previous prime is 285071099. The next prime is 285071119. The reversal of 285071116 is 611170582.

It is not an unprimeable number, because it can be changed into a prime (285071119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13020 + ... + 27196.

It is an arithmetic number, because the mean of its divisors is an integer number (22727334).

Almost surely, 2^285071116 is an apocalyptic number.

It is an amenable number.

285071116 is a deficient number, since it is larger than the sum of its proper divisors (260384900).

285071116 is a wasteful number, since it uses less digits than its factorization.

285071116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14649 (or 14647 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 31.

The square root of 285071116 is about 16884.0491588955. The cubic root of 285071116 is about 658.1391692032.

The spelling of 285071116 in words is "two hundred eighty-five million, seventy-one thousand, one hundred sixteen".