4418845 has 8 divisors (see below), whose sum is σ = 5326776. Its totient is φ = 3518976.

The previous prime is 4418839. The next prime is 4418881. The reversal of 4418845 is 5488144.

It can be written as a sum of positive squares in 4 ways, for example, as 441 + 4418404 = 21^2 + 2102^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 4418845 - 2¹⁹ = 3894557 is a prime.

It is a super-2 number, since 2×4418845² = 39052382268050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4418845.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 732 + ... + 3061.

It is an arithmetic number, because the mean of its divisors is an integer number (665847).

Almost surely, 2^4418845 is an apocalyptic number.

It is an amenable number.

4418845 is a deficient number, since it is larger than the sum of its proper divisors (907931).

4418845 is a wasteful number, since it uses less digits than its factorization.

4418845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4031.

The product of its digits is 20480, while the sum is 34.

The square root of 4418845 is about 2102.1048974778. The cubic root of 4418845 is about 164.0978619769.

The spelling of 4418845 in words is "four million, four hundred eighteen thousand, eight hundred forty-five".