4420685 has 8 divisors (see below), whose sum is σ = 5318136. Its totient is φ = 3527680.

The previous prime is 4420667. The next prime is 4420687. The reversal of 4420685 is 5860244.

It can be written as a sum of positive squares in 4 ways, for example, as 1042441 + 3378244 = 1021^2 + 1838^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4420685 - 2¹⁰ = 4419661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4420687) 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 7 ways as a sum of consecutive naturals, for example, 1757 + ... + 3453.

It is an arithmetic number, because the mean of its divisors is an integer number (664767).

Almost surely, 2^4420685 is an apocalyptic number.

It is an amenable number.

4420685 is a deficient number, since it is larger than the sum of its proper divisors (897451).

4420685 is a wasteful number, since it uses less digits than its factorization.

4420685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2223.

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 4420685 is about 2102.5425084882. The cubic root of 4420685 is about 164.1206355122.

The spelling of 4420685 in words is "four million, four hundred twenty thousand, six hundred eighty-five".