806516 has 6 divisors (see below), whose sum is σ = 1411410. Its totient is φ = 403256.

The previous prime is 806513. The next prime is 806521. The reversal of 806516 is 615608.

806516 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., 556516 + 250000 = 746^2 + 500^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (806513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100811 + ... + 100818.

It is an arithmetic number, because the mean of its divisors is an integer number (235235).

2⁸⁰⁶⁵¹⁶ is an apocalyptic number.

It is an amenable number.

806516 is a deficient number, since it is larger than the sum of its proper divisors (604894).

806516 is a wasteful number, since it uses less digits than its factorization.

806516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201633 (or 201631 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 806516 is about 898.0623586366. The cubic root of 806516 is about 93.0831337417.

The spelling of 806516 in words is "eight hundred six thousand, five hundred sixteen".