100304399 has 4 divisors (see below), whose sum is σ = 108020136. Its totient is φ = 92588664.

The previous prime is 100304389. The next prime is 100304419. The reversal of 100304399 is 993403001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100304399 - 2⁴ = 100304383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100304389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3857849 + ... + 3857874.

It is an arithmetic number, because the mean of its divisors is an integer number (27005034).

Almost surely, 2^100304399 is an apocalyptic number.

100304399 is a deficient number, since it is larger than the sum of its proper divisors (7715737).

100304399 is an equidigital number, since it uses as much as digits as its factorization.

100304399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7715736.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 100304399 is about 10015.2083852509. The cubic root of 100304399 is about 464.6293712966.

The spelling of 100304399 in words is "one hundred million, three hundred four thousand, three hundred ninety-nine".