100328418 has 12 divisors (see below), whose sum is σ = 217378278. Its totient is φ = 33442800.

The previous prime is 100328401. The next prime is 100328419. The reversal of 100328418 is 814823001.

It can be written as a sum of positive squares in only one way, i.e., 98069409 + 2259009 = 9903^2 + 1503^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 100328391 and 100328400.

It is not an unprimeable number, because it can be changed into a prime (100328419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2786883 + ... + 2786918.

Almost surely, 2^100328418 is an apocalyptic number.

100328418 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

100328418 is an abundant number, since it is smaller than the sum of its proper divisors (117049860).

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

100328418 is a wasteful number, since it uses less digits than its factorization.

100328418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5573809 (or 5573806 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 100328418 is about 10016.4074397960. The cubic root of 100328418 is about 464.6664552209. Note that the first 3 decimals are identical.

The spelling of 100328418 in words is "one hundred million, three hundred twenty-eight thousand, four hundred eighteen".