816846 has 16 divisors (see below), whose sum is σ = 1650000. Its totient is φ = 269568.

The previous prime is 816841. The next prime is 816847. The reversal of 816846 is 648618.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (816841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30 + ... + 1278.

It is an arithmetic number, because the mean of its divisors is an integer number (103125).

2⁸¹⁶⁸⁴⁶ is an apocalyptic number.

816846 is an abundant number, since it is smaller than the sum of its proper divisors (833154).

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

816846 is a wasteful number, since it uses less digits than its factorization.

816846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1363.

The product of its digits is 9216, while the sum is 33.

The square root of 816846 is about 903.7953308133. The cubic root of 816846 is about 93.4788574499.

The spelling of 816846 in words is "eight hundred sixteen thousand, eight hundred forty-six".