30338029 has 2 divisors, whose sum is σ = 30338030. Its totient is φ = 30338028.

The previous prime is 30338027. The next prime is 30338071. The reversal of 30338029 is 92083303.

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., 29975625 + 362404 = 5475^2 + 602^2 .

It is a cyclic number.

It is not a de Polignac number, because 30338029 - 2¹ = 30338027 is a prime.

Together with 30338027, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 30337988 and 30338006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30338023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15169014 + 15169015.

It is an arithmetic number, because the mean of its divisors is an integer number (15169015).

Almost surely, 2^30338029 is an apocalyptic number.

It is an amenable number.

30338029 is a deficient number, since it is larger than the sum of its proper divisors (1).

30338029 is an equidigital number, since it uses as much as digits as its factorization.

30338029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 30338029 is about 5507.9968228023. The cubic root of 30338029 is about 311.8859331270.

The spelling of 30338029 in words is "thirty million, three hundred thirty-eight thousand, twenty-nine".