501328 has 10 divisors (see below), whose sum is σ = 971354. Its totient is φ = 250656.

The previous prime is 501317. The next prime is 501341. The reversal of 501328 is 823105.

It is a happy number.

501328 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 501264 + 64 = 708^2 + 8^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15651 + ... + 15682.

2⁵⁰¹³²⁸ is an apocalyptic number.

It is an amenable number.

501328 is a deficient number, since it is larger than the sum of its proper divisors (470026).

501328 is a wasteful number, since it uses less digits than its factorization.

501328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31341 (or 31335 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 501328 is about 708.0451962975. The cubic root of 501328 is about 79.4402594318.

It can be divided in two parts, 5013 and 28, that added together give a square (5041 = 71²).

The spelling of 501328 in words is "five hundred one thousand, three hundred twenty-eight".