421032 has 32 divisors (see below), whose sum is σ = 1075680. Its totient is φ = 137280.

The previous prime is 421019. The next prime is 421033. The reversal of 421032 is 230124.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 420999 and 421017.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 421032.

It is not an unprimeable number, because it can be changed into a prime (421033) by changing a digit.

421032 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 in 7 ways as a sum of consecutive naturals, for example, 1107 + ... + 1437.

It is an arithmetic number, because the mean of its divisors is an integer number (33615).

2⁴²¹⁰³² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 421032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (537840).

421032 is an abundant number, since it is smaller than the sum of its proper divisors (654648).

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

421032 is a wasteful number, since it uses less digits than its factorization.

421032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393 (or 389 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 421032 is about 648.8697866290. The cubic root of 421032 is about 74.9500111334.

Adding to 421032 its reverse (230124), we get a palindrome (651156).

The spelling of 421032 in words is "four hundred twenty-one thousand, thirty-two".