100804 has 24 divisors (see below), whose sum is σ = 201600. Its totient is φ = 43680.

The previous prime is 100801. The next prime is 100811. The reversal of 100804 is 408001.

It is a super-3 number, since 3×100804³ = 3072943333555392, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (100801) 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 7 ways as a sum of consecutive naturals, for example, 1237 + ... + 1315.

It is an arithmetic number, because the mean of its divisors is an integer number (8400).

2¹⁰⁰⁸⁰⁴ is an apocalyptic number.

It is an amenable number.

100804 is a deficient number, since it is larger than the sum of its proper divisors (100796).

100804 is a wasteful number, since it uses less digits than its factorization.

100804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123 (or 121 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 100804 is about 317.4964566731. The cubic root of 100804 is about 46.5399510205.

Adding to 100804 its reverse (408001), we get a palindrome (508805).

The spelling of 100804 in words is "one hundred thousand, eight hundred four".