816286252 has 6 divisors (see below), whose sum is σ = 1428500948. Its totient is φ = 408143124.

The previous prime is 816286217. The next prime is 816286321. The reversal of 816286252 is 252682618.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102035778 + ... + 102035785.

Almost surely, 2^816286252 is an apocalyptic number.

It is an amenable number.

816286252 is a deficient number, since it is larger than the sum of its proper divisors (612214696).

816286252 is a wasteful number, since it uses less digits than its factorization.

816286252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204071567 (or 204071565 counting only the distinct ones).

The product of its digits is 92160, while the sum is 40.

The square root of 816286252 is about 28570.7236870192. The cubic root of 816286252 is about 934.5750027854.

The spelling of 816286252 in words is "eight hundred sixteen million, two hundred eighty-six thousand, two hundred fifty-two".