528470239 has 8 divisors (see below), whose sum is σ = 580722768. Its totient is φ = 476919360.

The previous prime is 528470231. The next prime is 528470249. The reversal of 528470239 is 932074825.

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

It is a cyclic number.

It is not a de Polignac number, because 528470239 - 2³ = 528470231 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 173832 + ... + 176845.

It is an arithmetic number, because the mean of its divisors is an integer number (72590346).

Almost surely, 2^528470239 is an apocalyptic number.

528470239 is a deficient number, since it is larger than the sum of its proper divisors (52252529).

528470239 is a wasteful number, since it uses less digits than its factorization.

528470239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350825.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 528470239 is about 22988.4805717994. The cubic root of 528470239 is about 808.4878759416.

The spelling of 528470239 in words is "five hundred twenty-eight million, four hundred seventy thousand, two hundred thirty-nine".