810116 has 6 divisors (see below), whose sum is σ = 1417710. Its totient is φ = 405056.

The previous prime is 810109. The next prime is 810137. The reversal of 810116 is 611018.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 722500 + 87616 = 850^2 + 296^2 .

It is a junction number, because it is equal to n+sod(n) for n = 810094 and 810103.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101261 + ... + 101268.

It is an arithmetic number, because the mean of its divisors is an integer number (236285).

2⁸¹⁰¹¹⁶ is an apocalyptic number.

It is an amenable number.

810116 is a deficient number, since it is larger than the sum of its proper divisors (607594).

810116 is a wasteful number, since it uses less digits than its factorization.

810116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202533 (or 202531 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

The square root of 810116 is about 900.0644421373. The cubic root of 810116 is about 93.2214248300.

The spelling of 810116 in words is "eight hundred ten thousand, one hundred sixteen".