100002409 has 8 divisors (see below), whose sum is σ = 107848832. Its totient is φ = 92178000.

The previous prime is 100002389. The next prime is 100002421. The reversal of 100002409 is 904200001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100002409 - 2¹⁷ = 99871337 is a prime.

100002409 is a modest number, since divided by 2409 gives 1 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 100002392 and 100002401.

It is not an unprimeable number, because it can be changed into a prime (100002499) 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 7 ways as a sum of consecutive naturals, for example, 4642 + ... + 14884.

It is an arithmetic number, because the mean of its divisors is an integer number (13481104).

Almost surely, 2^100002409 is an apocalyptic number.

It is an amenable number.

100002409 is a deficient number, since it is larger than the sum of its proper divisors (7846423).

100002409 is a wasteful number, since it uses less digits than its factorization.

100002409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11007.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 100002409 is about 10000.1204492746. The cubic root of 100002409 is about 464.1626105272.

The spelling of 100002409 in words is "one hundred million, two thousand, four hundred nine".