816276 has 12 divisors (see below), whose sum is σ = 1904672. Its totient is φ = 272088.

The previous prime is 816271. The next prime is 816317. The reversal of 816276 is 672618.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (816271) 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, 34000 + ... + 34023.

2⁸¹⁶²⁷⁶ is an apocalyptic number.

It is an amenable number.

816276 is an abundant number, since it is smaller than the sum of its proper divisors (1088396).

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

816276 is a wasteful number, since it uses less digits than its factorization.

816276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68030 (or 68028 counting only the distinct ones).

The product of its digits is 4032, while the sum is 30.

The square root of 816276 is about 903.4799389029. The cubic root of 816276 is about 93.4571090227.

The spelling of 816276 in words is "eight hundred sixteen thousand, two hundred seventy-six".