4420456 has 16 divisors (see below), whose sum is σ = 8491140. Its totient is φ = 2156160.

The previous prime is 4420453. The next prime is 4420463. The reversal of 4420456 is 6540244.

4420456 is nontrivially palindromic in base 7.

It can be written as a sum of positive squares in 2 ways, for example, as 4268356 + 152100 = 2066^2 + 390^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4420456.

It is not an unprimeable number, because it can be changed into a prime (4420453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6411 + ... + 7066.

Almost surely, 2^4420456 is an apocalyptic number.

It is an amenable number.

4420456 is a deficient number, since it is larger than the sum of its proper divisors (4070684).

4420456 is a wasteful number, since it uses less digits than its factorization.

4420456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13524 (or 13520 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 4420456 is about 2102.4880499066. The cubic root of 4420456 is about 164.1178015415.

The spelling of 4420456 in words is "four million, four hundred twenty thousand, four hundred fifty-six".