100408338 has 12 divisors (see below), whose sum is σ = 217551438. Its totient is φ = 33469440.

The previous prime is 100408333. The next prime is 100408381. The reversal of 100408338 is 833804001.

It can be written as a sum of positive squares in only one way, i.e., 75637809 + 24770529 = 8697^2 + 4977^2 .

It is not an unprimeable number, because it can be changed into a prime (100408333) 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 5 ways as a sum of consecutive naturals, for example, 2789103 + ... + 2789138.

Almost surely, 2^100408338 is an apocalyptic number.

100408338 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

100408338 is an abundant number, since it is smaller than the sum of its proper divisors (117143100).

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

100408338 is a wasteful number, since it uses less digits than its factorization.

100408338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5578249 (or 5578246 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 100408338 is about 10020.3960999553. The cubic root of 100408338 is about 464.7898044092.

The spelling of 100408338 in words is "one hundred million, four hundred eight thousand, three hundred thirty-eight".