100304389 has 2 divisors, whose sum is σ = 100304390. Its totient is φ = 100304388.

The previous prime is 100304383. The next prime is 100304419. The reversal of 100304389 is 983403001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96236100 + 4068289 = 9810^2 + 2017^2 .

It is a cyclic number.

It is not a de Polignac number, because 100304389 - 2³ = 100304381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100304381) 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 as a sum of consecutive naturals, namely, 50152194 + 50152195.

It is an arithmetic number, because the mean of its divisors is an integer number (50152195).

Almost surely, 2^100304389 is an apocalyptic number.

It is an amenable number.

100304389 is a deficient number, since it is larger than the sum of its proper divisors (1).

100304389 is an equidigital number, since it uses as much as digits as its factorization.

100304389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 100304389 is about 10015.2078860102. The cubic root of 100304389 is about 464.6293558560.

The spelling of 100304389 in words is "one hundred million, three hundred four thousand, three hundred eighty-nine".