816356 has 12 divisors (see below), whose sum is σ = 1440768. Its totient is φ = 404712.

The previous prime is 816353. The next prime is 816367. The reversal of 816356 is 653618.

816356 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 816356.

It is not an unprimeable number, because it can be changed into a prime (816353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 296 + ... + 1311.

It is an arithmetic number, because the mean of its divisors is an integer number (120064).

2⁸¹⁶³⁵⁶ is an apocalyptic number.

It is an amenable number.

816356 is a deficient number, since it is larger than the sum of its proper divisors (624412).

816356 is a wasteful number, since it uses less digits than its factorization.

816356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1738 (or 1736 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 816356 is about 903.5242110757. The cubic root of 816356 is about 93.4601620442.

The spelling of 816356 in words is "eight hundred sixteen thousand, three hundred fifty-six".