501728395 has 32 divisors (see below), whose sum is σ = 743472000. Its totient is φ = 323785728.

The previous prime is 501728303. The next prime is 501728401. The reversal of 501728395 is 593827105.

It is not a de Polignac number, because 501728395 - 2⁷ = 501728267 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20551 + ... + 37759.

It is an arithmetic number, because the mean of its divisors is an integer number (23233500).

Almost surely, 2^501728395 is an apocalyptic number.

501728395 is a deficient number, since it is larger than the sum of its proper divisors (241743605).

501728395 is a wasteful number, since it uses less digits than its factorization.

501728395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17252 (or 17238 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 40.

The square root of 501728395 is about 22399.2945201406. The cubic root of 501728395 is about 794.6140262122.

The spelling of 501728395 in words is "five hundred one million, seven hundred twenty-eight thousand, three hundred ninety-five".