816036 has 24 divisors (see below), whose sum is σ = 2050944. Its totient is φ = 251040.

The previous prime is 816019. The next prime is 816037. The reversal of 816036 is 630618.

816036 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 815997 and 816015.

It is not an unprimeable number, because it can be changed into a prime (816037) by changing a digit.

816036 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 in 7 ways as a sum of consecutive naturals, for example, 2460 + ... + 2771.

It is an arithmetic number, because the mean of its divisors is an integer number (85456).

2⁸¹⁶⁰³⁶ is an apocalyptic number.

It is an amenable number.

816036 is an abundant number, since it is smaller than the sum of its proper divisors (1234908).

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

816036 is a wasteful number, since it uses less digits than its factorization.

816036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5251 (or 5249 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 816036 is about 903.3471093661. The cubic root of 816036 is about 93.4479487612.

The spelling of 816036 in words is "eight hundred sixteen thousand, thirty-six".