538442930 has 8 divisors (see below), whose sum is σ = 969197292. Its totient is φ = 215377168.

The previous prime is 538442917. The next prime is 538442959. The reversal of 538442930 is 39244835.

538442930 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 439698961 + 98743969 = 20969^2 + 9937^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26922137 + ... + 26922156.

Almost surely, 2^538442930 is an apocalyptic number.

538442930 is a deficient number, since it is larger than the sum of its proper divisors (430754362).

538442930 is a wasteful number, since it uses less digits than its factorization.

538442930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53844300.

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 538442930 is about 23204.3730792280. The cubic root of 538442930 is about 813.5418392166.

The spelling of 538442930 in words is "five hundred thirty-eight million, four hundred forty-two thousand, nine hundred thirty".