30004389 has 12 divisors (see below), whose sum is σ = 43601376. Its totient is φ = 19882152.

The previous prime is 30004379. The next prime is 30004393. The reversal of 30004389 is 98340003.

It is not a de Polignac number, because 30004389 - 2¹² = 30000293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30004319) 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 in 11 ways as a sum of consecutive naturals, for example, 8479 + ... + 11484.

It is an arithmetic number, because the mean of its divisors is an integer number (3633448).

Almost surely, 2^30004389 is an apocalyptic number.

It is an amenable number.

30004389 is a deficient number, since it is larger than the sum of its proper divisors (13596987).

30004389 is a wasteful number, since it uses less digits than its factorization.

30004389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20136 (or 20133 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 30004389 is about 5477.6262194494. The cubic root of 30004389 is about 310.7384027937.

The spelling of 30004389 in words is "thirty million, four thousand, three hundred eighty-nine".