528469930 has 8 divisors (see below), whose sum is σ = 951245892. Its totient is φ = 211387968.

The previous prime is 528469891. The next prime is 528469979. The reversal of 528469930 is 39964825.

It can be written as a sum of positive squares in 2 ways, for example, as 445167801 + 83302129 = 21099^2 + 9127^2 .

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, 26423487 + ... + 26423506.

Almost surely, 2^528469930 is an apocalyptic number.

528469930 is a deficient number, since it is larger than the sum of its proper divisors (422775962).

528469930 is a wasteful number, since it uses less digits than its factorization.

528469930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52847000.

The product of its (nonzero) digits is 466560, while the sum is 46.

The square root of 528469930 is about 22988.4738510411. The cubic root of 528469930 is about 808.4877183656.

It can be divided in two parts, 52 and 8469930, that multiplied together give a triangular number (440436360 = T₂₉₆₇₉).

The spelling of 528469930 in words is "five hundred twenty-eight million, four hundred sixty-nine thousand, nine hundred thirty".