816892 has 12 divisors (see below), whose sum is σ = 1435896. Its totient is φ = 406640.

The previous prime is 816887. The next prime is 816899. The reversal of 816892 is 298618.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (816899) by changing a digit.

816892 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1542 + ... + 2002.

It is an arithmetic number, because the mean of its divisors is an integer number (119658).

2⁸¹⁶⁸⁹² is an apocalyptic number.

It is an amenable number.

816892 is a deficient number, since it is larger than the sum of its proper divisors (619004).

816892 is a wasteful number, since it uses less digits than its factorization.

816892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908 (or 906 counting only the distinct ones).

The product of its digits is 6912, while the sum is 34.

The square root of 816892 is about 903.8207786945. The cubic root of 816892 is about 93.4806121449.

It can be divided in two parts, 8 and 16892, that added together give a square (16900 = 130²).

The spelling of 816892 in words is "eight hundred sixteen thousand, eight hundred ninety-two".