100533408 has 48 divisors (see below), whose sum is σ = 277794720. Its totient is φ = 31746816.

The previous prime is 100533383. The next prime is 100533439. The reversal of 100533408 is 804335001.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×100533408² = 20213932248188928, which contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25735 + ... + 29382.

It is an arithmetic number, because the mean of its divisors is an integer number (5787390).

Almost surely, 2^100533408 is an apocalyptic number.

It is an amenable number.

100533408 is an abundant number, since it is smaller than the sum of its proper divisors (177261312).

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

100533408 is a wasteful number, since it uses less digits than its factorization.

100533408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55149 (or 55141 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 100533408 is about 10026.6349290278. The cubic root of 100533408 is about 464.9827071844.

Adding to 100533408 its reverse (804335001), we get a palindrome (904868409).

The spelling of 100533408 in words is "one hundred million, five hundred thirty-three thousand, four hundred eight".