528470238 has 32 divisors (see below), whose sum is σ = 1086688512. Its totient is φ = 171230400.

The previous prime is 528470231. The next prime is 528470249. The reversal of 528470238 is 832074825.

It is a junction number, because it is equal to n+sod(n) for n = 528470196 and 528470205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (528470231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65823 + ... + 73413.

It is an arithmetic number, because the mean of its divisors is an integer number (33959016).

Almost surely, 2^528470238 is an apocalyptic number.

528470238 is an abundant number, since it is smaller than the sum of its proper divisors (558218274).

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

528470238 is a wasteful number, since it uses less digits than its factorization.

528470238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7920.

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 528470238 is about 22988.4805500494. The cubic root of 528470238 is about 808.4878754317.

The spelling of 528470238 in words is "five hundred twenty-eight million, four hundred seventy thousand, two hundred thirty-eight".