30344189 has 2 divisors, whose sum is σ = 30344190. Its totient is φ = 30344188.

The previous prime is 30344177. The next prime is 30344203. The reversal of 30344189 is 98144303.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30063289 + 280900 = 5483^2 + 530^2 .

It is a cyclic number.

It is not a de Polignac number, because 30344189 - 2⁴ = 30344173 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 (30344789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15172094 + 15172095.

It is an arithmetic number, because the mean of its divisors is an integer number (15172095).

Almost surely, 2^30344189 is an apocalyptic number.

It is an amenable number.

30344189 is a deficient number, since it is larger than the sum of its proper divisors (1).

30344189 is an equidigital number, since it uses as much as digits as its factorization.

30344189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 30344189 is about 5508.5559813802. Note that the first 3 decimals coincide. The cubic root of 30344189 is about 311.9070407093.

The spelling of 30344189 in words is "thirty million, three hundred forty-four thousand, one hundred eighty-nine".