501632 has 16 divisors (see below), whose sum is σ = 999600. Its totient is φ = 250752.

The previous prime is 501623. The next prime is 501637. The reversal of 501632 is 236105.

It is a tau number, because it is divible by the number of its divisors (16).

It is an alternating number because its digits alternate between odd and even.

It is a zygodrome in base 3.

It is a self number, because there is not a number n which added to its sum of digits gives 501632.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501637) by changing a digit.

501632 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1832 + ... + 2087.

It is an arithmetic number, because the mean of its divisors is an integer number (62475).

2⁵⁰¹⁶³² is an apocalyptic number.

It is an amenable number.

501632 is a deficient number, since it is larger than the sum of its proper divisors (497968).

501632 is an equidigital number, since it uses as much as digits as its factorization.

501632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3933 (or 3921 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 501632 is about 708.2598393245. The cubic root of 501632 is about 79.4563134318.

Adding to 501632 its reverse (236105), we get a palindrome (737737).

The spelling of 501632 in words is "five hundred one thousand, six hundred thirty-two".