100533928 has 16 divisors (see below), whose sum is σ = 205637760. Its totient is φ = 45697200.

The previous prime is 100533911. The next prime is 100533947. The reversal of 100533928 is 829335001.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 100533928.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 571128 + ... + 571303.

It is an arithmetic number, because the mean of its divisors is an integer number (12852360).

Almost surely, 2^100533928 is an apocalyptic number.

It is an amenable number.

100533928 is an abundant number, since it is smaller than the sum of its proper divisors (105103832).

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

100533928 is a wasteful number, since it uses less digits than its factorization.

100533928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142448 (or 1142444 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 100533928 is about 10026.6608599274. The cubic root of 100533928 is about 464.9835088767.

Adding to 100533928 its reverse (829335001), we get a palindrome (929868929).

The spelling of 100533928 in words is "one hundred million, five hundred thirty-three thousand, nine hundred twenty-eight".