30324389 has 2 divisors, whose sum is σ = 30324390. Its totient is φ = 30324388.

The previous prime is 30324383. The next prime is 30324403. The reversal of 30324389 is 98342303.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21669025 + 8655364 = 4655^2 + 2942^2 .

It is an emirp because it is prime and its reverse (98342303) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30324389 - 2¹⁶ = 30258853 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30324383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15162194 + 15162195.

It is an arithmetic number, because the mean of its divisors is an integer number (15162195).

Almost surely, 2^30324389 is an apocalyptic number.

It is an amenable number.

30324389 is a deficient number, since it is larger than the sum of its proper divisors (1).

30324389 is an equidigital number, since it uses as much as digits as its factorization.

30324389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 30324389 is about 5506.7584838996. The cubic root of 30324389 is about 311.8391847392.

The spelling of 30324389 in words is "thirty million, three hundred twenty-four thousand, three hundred eighty-nine".