501432 has 32 divisors (see below), whose sum is σ = 1328400. Its totient is φ = 157184.

The previous prime is 501427. The next prime is 501451. The reversal of 501432 is 234105.

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

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 501432.

It is an unprimeable number.

501432 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 207 + ... + 1022.

2⁵⁰¹⁴³² is an apocalyptic number.

It is an amenable number.

501432 is an abundant number, since it is smaller than the sum of its proper divisors (826968).

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

501432 is a wasteful number, since it uses less digits than its factorization.

501432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1255 (or 1251 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 501432 is about 708.1186341285. The cubic root of 501432 is about 79.4457523199.

Adding to 501432 its reverse (234105), we get a palindrome (735537).

The spelling of 501432 in words is "five hundred one thousand, four hundred thirty-two".