30238869 has 8 divisors (see below), whose sum is σ = 42690240. Its totient is φ = 18973376.

The previous prime is 30238783. The next prime is 30238883. The reversal of 30238869 is 96883203.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30238869 - 2⁸ = 30238613 is a prime.

It is a super-2 number, since 2×30238869² = 1828778396798322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30238069) 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 7 ways as a sum of consecutive naturals, for example, 296409 + ... + 296510.

It is an arithmetic number, because the mean of its divisors is an integer number (5336280).

Almost surely, 2^30238869 is an apocalyptic number.

It is an amenable number.

30238869 is a deficient number, since it is larger than the sum of its proper divisors (12451371).

30238869 is a wasteful number, since it uses less digits than its factorization.

30238869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592939.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 30238869 is about 5498.9879978047. The cubic root of 30238869 is about 311.5457619946.

The spelling of 30238869 in words is "thirty million, two hundred thirty-eight thousand, eight hundred sixty-nine".