100404304 has 80 divisors (see below), whose sum is σ = 261233280. Its totient is φ = 36103680.

The previous prime is 100404299. The next prime is 100404331. The reversal of 100404304 is 403404001.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12882 + ... + 19150.

It is an arithmetic number, because the mean of its divisors is an integer number (3265416).

Almost surely, 2^100404304 is an apocalyptic number.

100404304 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100404304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130616640).

100404304 is an abundant number, since it is smaller than the sum of its proper divisors (160828976).

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

100404304 is a wasteful number, since it uses less digits than its factorization.

100404304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6308 (or 6302 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 100404304 is about 10020.1948084855. The cubic root of 100404304 is about 464.7835798691.

Adding to 100404304 its reverse (403404001), we get a palindrome (503808305).

It can be divided in two parts, 100 and 404304, that added together give a palindrome (404404).

The spelling of 100404304 in words is "one hundred million, four hundred four thousand, three hundred four".