421232 has 20 divisors (see below), whose sum is σ = 932976. Its totient is φ = 180480.

The previous prime is 421207. The next prime is 421241. The reversal of 421232 is 232124.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a zygodrome in base 13.

It is a congruent number.

It is an unprimeable number.

421232 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 3 ways as a sum of consecutive naturals, for example, 1769 + ... + 1992.

2⁴²¹²³² is an apocalyptic number.

It is an amenable number.

421232 is an abundant number, since it is smaller than the sum of its proper divisors (511744).

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

421232 is a wasteful number, since it uses less digits than its factorization.

421232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3776 (or 3770 counting only the distinct ones).

The product of its digits is 96, while the sum is 14.

The square root of 421232 is about 649.0238824573. The cubic root of 421232 is about 74.9618769213.

Adding to 421232 its reverse (232124), we get a palindrome (653356).

The spelling of 421232 in words is "four hundred twenty-one thousand, two hundred thirty-two".