501340 has 24 divisors (see below), whose sum is σ = 1203552. Its totient is φ = 171840.

The previous prime is 501317. The next prime is 501341. The reversal of 501340 is 43105.

It is a self number, because there is not a number n which added to its sum of digits gives 501340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501341) 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 7 ways as a sum of consecutive naturals, for example, 1651 + ... + 1930.

It is an arithmetic number, because the mean of its divisors is an integer number (50148).

2⁵⁰¹³⁴⁰ is an apocalyptic number.

It is an amenable number.

501340 is an abundant number, since it is smaller than the sum of its proper divisors (702212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

501340 is a wasteful number, since it uses less digits than its factorization.

501340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3597 (or 3595 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 501340 is about 708.0536702821. The cubic root of 501340 is about 79.4408932654.

Adding to 501340 its reverse (43105), we get a palindrome (544445).

It can be divided in two parts, 501 and 340, that added together give a square (841 = 29²).

The spelling of 501340 in words is "five hundred one thousand, three hundred forty".