501946 has 8 divisors (see below), whose sum is σ = 759924. Its totient is φ = 248640.

The previous prime is 501931. The next prime is 501947. The reversal of 501946 is 649105.

It can be written as a sum of positive squares in 2 ways, for example, as 474721 + 27225 = 689^2 + 165^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 501946.

It is not an unprimeable number, because it can be changed into a prime (501947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 885 + ... + 1336.

2⁵⁰¹⁹⁴⁶ is an apocalyptic number.

501946 is a deficient number, since it is larger than the sum of its proper divisors (257978).

501946 is a wasteful number, since it uses less digits than its factorization.

501946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2336.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 501946 is about 708.4814747049. The cubic root of 501946 is about 79.4728887158.

The spelling of 501946 in words is "five hundred one thousand, nine hundred forty-six".