100418399 has 2 divisors, whose sum is σ = 100418400. Its totient is φ = 100418398.

The previous prime is 100418347. The next prime is 100418429. The reversal of 100418399 is 993814001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100418399 - 2²⁴ = 83641183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100418599) 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 as a sum of consecutive naturals, namely, 50209199 + 50209200.

It is an arithmetic number, because the mean of its divisors is an integer number (50209200).

Almost surely, 2^100418399 is an apocalyptic number.

100418399 is a deficient number, since it is larger than the sum of its proper divisors (1).

100418399 is an equidigital number, since it uses as much as digits as its factorization.

100418399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 100418399 is about 10020.8981134427. The cubic root of 100418399 is about 464.8053280006.

The spelling of 100418399 in words is "one hundred million, four hundred eighteen thousand, three hundred ninety-nine".