30269238 has 16 divisors (see below), whose sum is σ = 61163760. Its totient is φ = 9985536.

The previous prime is 30269233. The next prime is 30269249. The reversal of 30269238 is 83296203.

It is a junction number, because it is equal to n+sod(n) for n = 30269199 and 30269208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30269233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25423 + ... + 26586.

It is an arithmetic number, because the mean of its divisors is an integer number (3822735).

Almost surely, 2^30269238 is an apocalyptic number.

30269238 is an abundant number, since it is smaller than the sum of its proper divisors (30894522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30269238 is a wasteful number, since it uses less digits than its factorization.

30269238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52111.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 30269238 is about 5501.7486311172. The cubic root of 30269238 is about 311.6500225923.

The spelling of 30269238 in words is "thirty million, two hundred sixty-nine thousand, two hundred thirty-eight".