4423420 has 12 divisors (see below), whose sum is σ = 9289224. Its totient is φ = 1769360.

The previous prime is 4423411. The next prime is 4423423. The reversal of 4423420 is 243244.

It is an Ulam number.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4423423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110566 + ... + 110605.

It is an arithmetic number, because the mean of its divisors is an integer number (774102).

Almost surely, 2^4423420 is an apocalyptic number.

It is an amenable number.

4423420 is an abundant number, since it is smaller than the sum of its proper divisors (4865804).

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

4423420 is a wasteful number, since it uses less digits than its factorization.

4423420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221180 (or 221178 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 4423420 is about 2103.1928109424. The cubic root of 4423420 is about 164.1544747174.

Adding to 4423420 its reverse (243244), we get a palindrome (4666664).

The spelling of 4423420 in words is "four million, four hundred twenty-three thousand, four hundred twenty".