79804 has 12 divisors (see below), whose sum is σ = 142128. Its totient is φ = 39200.

The previous prime is 79801. The next prime is 79811. The reversal of 79804 is 40897.

It is an Ulam number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144 + ... + 424.

It is an arithmetic number, because the mean of its divisors is an integer number (11844).

2⁷⁹⁸⁰⁴ is an apocalyptic number.

It is an amenable number.

79804 is a deficient number, since it is larger than the sum of its proper divisors (62324).

79804 is a wasteful number, since it uses less digits than its factorization.

79804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356 (or 354 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 79804 is about 282.4960176710. The cubic root of 79804 is about 43.0534759238.

The spelling of 79804 in words is "seventy-nine thousand, eight hundred four".