285495016 has 8 divisors (see below), whose sum is σ = 535303170. Its totient is φ = 142747504.

The previous prime is 285495011. The next prime is 285495031. The reversal of 285495016 is 610594582.

It can be written as a sum of positive squares in only one way, i.e., 283922500 + 1572516 = 16850^2 + 1254^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 285495016.

It is not an unprimeable number, because it can be changed into a prime (285495011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17843431 + ... + 17843446.

Almost surely, 2^285495016 is an apocalyptic number.

It is an amenable number.

285495016 is a deficient number, since it is larger than the sum of its proper divisors (249808154).

285495016 is a wasteful number, since it uses less digits than its factorization.

285495016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35686883 (or 35686879 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 40.

The square root of 285495016 is about 16896.5977640471. The cubic root of 285495016 is about 658.4652247135.

The spelling of 285495016 in words is "two hundred eighty-five million, four hundred ninety-five thousand, sixteen".