816236 has 6 divisors (see below), whose sum is σ = 1428420. Its totient is φ = 408116.

The previous prime is 816227. The next prime is 816239. The reversal of 816236 is 632618.

816236 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (816239) by changing a digit.

816236 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102026 + ... + 102033.

It is an arithmetic number, because the mean of its divisors is an integer number (238070).

2⁸¹⁶²³⁶ is an apocalyptic number.

It is an amenable number.

816236 is a deficient number, since it is larger than the sum of its proper divisors (612184).

816236 is a wasteful number, since it uses less digits than its factorization.

816236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204063 (or 204061 counting only the distinct ones).

The product of its digits is 1728, while the sum is 26.

The square root of 816236 is about 903.4578020029. The cubic root of 816236 is about 93.4555824372.

The spelling of 816236 in words is "eight hundred sixteen thousand, two hundred thirty-six".