816652 has 6 divisors (see below), whose sum is σ = 1429148. Its totient is φ = 408324.

The previous prime is 816649. The next prime is 816653. The reversal of 816652 is 256618.

It is a self number, because there is not a number n which added to its sum of digits gives 816652.

It is not an unprimeable number, because it can be changed into a prime (816653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102078 + ... + 102085.

2⁸¹⁶⁶⁵² is an apocalyptic number.

It is an amenable number.

816652 is a deficient number, since it is larger than the sum of its proper divisors (612496).

816652 is a wasteful number, since it uses less digits than its factorization.

816652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204167 (or 204165 counting only the distinct ones).

The product of its digits is 2880, while the sum is 28.

The square root of 816652 is about 903.6879992564. The cubic root of 816652 is about 93.4714564897.

The spelling of 816652 in words is "eight hundred sixteen thousand, six hundred fifty-two".