816976 has 10 divisors (see below), whose sum is σ = 1582922. Its totient is φ = 408480.

The previous prime is 816971. The next prime is 817013. The reversal of 816976 is 679618.

816976 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 456976 + 360000 = 676^2 + 600^2 .

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (816971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25515 + ... + 25546.

2⁸¹⁶⁹⁷⁶ is an apocalyptic number.

It is an amenable number.

816976 is a deficient number, since it is larger than the sum of its proper divisors (765946).

816976 is a wasteful number, since it uses less digits than its factorization.

816976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51069 (or 51063 counting only the distinct ones).

The product of its digits is 18144, while the sum is 37.

The square root of 816976 is about 903.8672468897. The cubic root of 816976 is about 93.4838162005.

The spelling of 816976 in words is "eight hundred sixteen thousand, nine hundred seventy-six".