4230420 has 24 divisors (see below), whose sum is σ = 11845344. Its totient is φ = 1128096.

The previous prime is 4230419. The next prime is 4230451. The reversal of 4230420 is 240324.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 4230420.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 35194 + ... + 35313.

It is an arithmetic number, because the mean of its divisors is an integer number (493556).

Almost surely, 2^4230420 is an apocalyptic number.

It is an amenable number.

4230420 is an abundant number, since it is smaller than the sum of its proper divisors (7614924).

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

4230420 is a wasteful number, since it uses less digits than its factorization.

4230420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70519 (or 70517 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 4230420 is about 2056.7984830800. The cubic root of 4230420 is about 161.7314557102.

Adding to 4230420 its reverse (240324), we get a palindrome (4470744).

It can be divided in two parts, 42304 and 20, that added together give a palindrome (42324).

The spelling of 4230420 in words is "four million, two hundred thirty thousand, four hundred twenty".