501944 has 8 divisors (see below), whose sum is σ = 941160. Its totient is φ = 250968.

The previous prime is 501931. The next prime is 501947. The reversal of 501944 is 449105.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 501944.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31364 + ... + 31379.

It is an arithmetic number, because the mean of its divisors is an integer number (117645).

2⁵⁰¹⁹⁴⁴ is an apocalyptic number.

It is an amenable number.

501944 is a deficient number, since it is larger than the sum of its proper divisors (439216).

501944 is a wasteful number, since it uses less digits than its factorization.

501944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62749 (or 62745 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 501944 is about 708.4800632340. The cubic root of 501944 is about 79.4727831626.

The spelling of 501944 in words is "five hundred one thousand, nine hundred forty-four".