573128238 has 16 divisors (see below), whose sum is σ = 1151308800. Its totient is φ = 190200696.

The previous prime is 573128233. The next prime is 573128243. The reversal of 573128238 is 832821375.

It is an interprime number because it is at equal distance from previous prime (573128233) and next prime (573128243).

It is a junction number, because it is equal to n+sod(n) for n = 573128196 and 573128205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (573128233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209038 + ... + 211761.

It is an arithmetic number, because the mean of its divisors is an integer number (71956800).

Almost surely, 2^573128238 is an apocalyptic number.

573128238 is an abundant number, since it is smaller than the sum of its proper divisors (578180562).

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

573128238 is a wasteful number, since it uses less digits than its factorization.

573128238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421031.

The product of its digits is 80640, while the sum is 39.

The square root of 573128238 is about 23940.0968669719. The cubic root of 573128238 is about 830.6484688889.

The spelling of 573128238 in words is "five hundred seventy-three million, one hundred twenty-eight thousand, two hundred thirty-eight".