819796 has 12 divisors (see below), whose sum is σ = 1441440. Its totient is φ = 407960.

The previous prime is 819787. The next prime is 819799. The reversal of 819796 is 697918.

Its product of digits (27216) is a multiple of the sum of its prime divisors (972).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (819799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 915 + ... + 1573.

It is an arithmetic number, because the mean of its divisors is an integer number (120120).

2⁸¹⁹⁷⁹⁶ is an apocalyptic number.

It is an amenable number.

819796 is a deficient number, since it is larger than the sum of its proper divisors (621644).

819796 is a wasteful number, since it uses less digits than its factorization.

819796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974 (or 972 counting only the distinct ones).

The product of its digits is 27216, while the sum is 40.

The square root of 819796 is about 905.4258666506. The cubic root of 819796 is about 93.5912537180.

The spelling of 819796 in words is "eight hundred nineteen thousand, seven hundred ninety-six".