285696068 has 18 divisors (see below), whose sum is σ = 581595966. Its totient is φ = 122441088.

The previous prime is 285696053. The next prime is 285696079. The reversal of 285696068 is 860696582.

It can be written as a sum of positive squares in only one way, i.e., 285542404 + 153664 = 16898^2 + 392^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 728621 + ... + 729012.

It is an arithmetic number, because the mean of its divisors is an integer number (32310887).

Almost surely, 2^285696068 is an apocalyptic number.

285696068 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

285696068 is an abundant number, since it is smaller than the sum of its proper divisors (295899898).

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

285696068 is a wasteful number, since it uses less digits than its factorization.

285696068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1457651 (or 1457642 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 50.

The square root of 285696068 is about 16902.5461987240. The cubic root of 285696068 is about 658.6197571090.

The spelling of 285696068 in words is "two hundred eighty-five million, six hundred ninety-six thousand, sixty-eight".