30238669 has 2 divisors, whose sum is σ = 30238670. Its totient is φ = 30238668.

The previous prime is 30238667. The next prime is 30238679. The reversal of 30238669 is 96683203.

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., 22610025 + 7628644 = 4755^2 + 2762^2 .

It is a cyclic number.

It is not a de Polignac number, because 30238669 - 2¹ = 30238667 is a prime.

It is a super-2 number, since 2×30238669² = 1828754205783122, which contains 22 as substring.

Together with 30238667, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30238667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15119334 + 15119335.

It is an arithmetic number, because the mean of its divisors is an integer number (15119335).

Almost surely, 2^30238669 is an apocalyptic number.

It is an amenable number.

30238669 is a deficient number, since it is larger than the sum of its proper divisors (1).

30238669 is an equidigital number, since it uses as much as digits as its factorization.

30238669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 30238669 is about 5498.9698126104. The cubic root of 30238669 is about 311.5450751381.

The spelling of 30238669 in words is "thirty million, two hundred thirty-eight thousand, six hundred sixty-nine".