528490 has 16 divisors (see below), whose sum is σ = 975240. Its totient is φ = 206080.

The previous prime is 528487. The next prime is 528491. The reversal of 528490 is 94825.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 370881 + 157609 = 609^2 + 397^2 .

It is a d-powerful number, because it can be written as 5² + 2¹⁸ + 4⁹ + 8⁴ + 9² + 0 .

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (528491) 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, 235 + ... + 1054.

2⁵²⁸⁴⁹⁰ is an apocalyptic number.

528490 is a deficient number, since it is larger than the sum of its proper divisors (446750).

528490 is a wasteful number, since it uses less digits than its factorization.

528490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1337.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 528490 is about 726.9731769467. The cubic root of 528490 is about 80.8497953034.

The spelling of 528490 in words is "five hundred twenty-eight thousand, four hundred ninety".