4452420 has 48 divisors (see below), whose sum is σ = 14249088. Its totient is φ = 1017600.

The previous prime is 4452407. The next prime is 4452431. The reversal of 4452420 is 242544.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4881 + ... + 5720.

It is an arithmetic number, because the mean of its divisors is an integer number (296856).

Almost surely, 2^4452420 is an apocalyptic number.

It is an amenable number.

4452420 is an abundant number, since it is smaller than the sum of its proper divisors (9796668).

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

4452420 is a wasteful number, since it uses less digits than its factorization.

4452420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10620 (or 10618 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 4452420 is about 2110.0758280214. The cubic root of 4452420 is about 164.5124265764.

Adding to 4452420 its reverse (242544), we get a palindrome (4694964).

It can be divided in two parts, 44524 and 20, that added together give a palindrome (44544).

The spelling of 4452420 in words is "four million, four hundred fifty-two thousand, four hundred twenty".