100604389 has 2 divisors, whose sum is σ = 100604390. Its totient is φ = 100604388.

The previous prime is 100604377. The next prime is 100604407. The reversal of 100604389 is 983406001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83448225 + 17156164 = 9135^2 + 4142^2 .

It is a cyclic number.

It is not a de Polignac number, because 100604389 - 2⁷ = 100604261 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100604389.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100604689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50302194 + 50302195.

It is an arithmetic number, because the mean of its divisors is an integer number (50302195).

Almost surely, 2^100604389 is an apocalyptic number.

It is an amenable number.

100604389 is a deficient number, since it is larger than the sum of its proper divisors (1).

100604389 is an equidigital number, since it uses as much as digits as its factorization.

100604389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 100604389 is about 10030.1739267074. The cubic root of 100604389 is about 465.0921141752.

The spelling of 100604389 in words is "one hundred million, six hundred four thousand, three hundred eighty-nine".