100038399 has 4 divisors (see below), whose sum is σ = 133384536. Its totient is φ = 66692264.

The previous prime is 100038329. The next prime is 100038409. The reversal of 100038399 is 993830001.

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 100038399 - 2⁹ = 100037887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100038329) 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, 16673064 + ... + 16673069.

It is an arithmetic number, because the mean of its divisors is an integer number (33346134).

Almost surely, 2^100038399 is an apocalyptic number.

100038399 is a deficient number, since it is larger than the sum of its proper divisors (33346137).

100038399 is an equidigital number, since it uses as much as digits as its factorization.

100038399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33346136.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 100038399 is about 10001.9197657250. The cubic root of 100038399 is about 464.2182865484.

The spelling of 100038399 in words is "one hundred million, thirty-eight thousand, three hundred ninety-nine".