285470852 has 6 divisors (see below), whose sum is σ = 499573998. Its totient is φ = 142735424.

The previous prime is 285470849. The next prime is 285470881. The reversal of 285470852 is 258074582.

It can be written as a sum of positive squares in only one way, i.e., 175933696 + 109537156 = 13264^2 + 10466^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35683853 + ... + 35683860.

It is an arithmetic number, because the mean of its divisors is an integer number (83262333).

Almost surely, 2^285470852 is an apocalyptic number.

It is an amenable number.

285470852 is a deficient number, since it is larger than the sum of its proper divisors (214103146).

285470852 is a wasteful number, since it uses less digits than its factorization.

285470852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71367717 (or 71367715 counting only the distinct ones).

The product of its (nonzero) digits is 179200, while the sum is 41.

The square root of 285470852 is about 16895.8826937216. The cubic root of 285470852 is about 658.4466469197.

The spelling of 285470852 in words is "two hundred eighty-five million, four hundred seventy thousand, eight hundred fifty-two".