305238093 has 8 divisors (see below), whose sum is σ = 413882400. Its totient is φ = 200042928.

The previous prime is 305238019. The next prime is 305238113. The reversal of 305238093 is 390832503.

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

It is not a de Polignac number, because 305238093 - 2¹⁶ = 305172557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305238013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 862078 + ... + 862431.

It is an arithmetic number, because the mean of its divisors is an integer number (51735300).

Almost surely, 2^305238093 is an apocalyptic number.

It is an amenable number.

305238093 is a deficient number, since it is larger than the sum of its proper divisors (108644307).

305238093 is a wasteful number, since it uses less digits than its factorization.

305238093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1724571.

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 305238093 is about 17471.0644495406. The cubic root of 305238093 is about 673.3066603546.

The spelling of 305238093 in words is "three hundred five million, two hundred thirty-eight thousand, ninety-three".