100404528 has 60 divisors (see below), whose sum is σ = 301732920. Its totient is φ = 28686336.

The previous prime is 100404523. The next prime is 100404539. The reversal of 100404528 is 825404001.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 100404498 and 100404507.

It is not an unprimeable number, because it can be changed into a prime (100404523) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 18993 + ... + 23696.

It is an arithmetic number, because the mean of its divisors is an integer number (5028882).

Almost surely, 2^100404528 is an apocalyptic number.

It is an amenable number.

100404528 is an abundant number, since it is smaller than the sum of its proper divisors (201328392).

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

100404528 is a wasteful number, since it uses less digits than its factorization.

100404528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42714 (or 42701 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 100404528 is about 10020.2059859067. The cubic root of 100404528 is about 464.7839255098.

Adding to 100404528 its reverse (825404001), we get a palindrome (925808529).

The spelling of 100404528 in words is "one hundred million, four hundred four thousand, five hundred twenty-eight".