420032 has 14 divisors (see below), whose sum is σ = 833628. Its totient is φ = 209984.

The previous prime is 420029. The next prime is 420037. The reversal of 420032 is 230024.

It is a junction number, because it is equal to n+sod(n) for n = 419995 and 420022.

It is not an unprimeable number, because it can be changed into a prime (420037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3218 + ... + 3345.

2⁴²⁰⁰³² is an apocalyptic number.

It is an amenable number.

420032 is a deficient number, since it is larger than the sum of its proper divisors (413596).

420032 is an equidigital number, since it uses as much as digits as its factorization.

420032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6575 (or 6565 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 420032 is about 648.0987579065. The cubic root of 420032 is about 74.8906257597.

Adding to 420032 its reverse (230024), we get a palindrome (650056).

The spelling of 420032 in words is "four hundred twenty thousand, thirty-two".