4406818 has 8 divisors (see below), whose sum is σ = 7118748. Its totient is φ = 2033904.

The previous prime is 4406813. The next prime is 4406819. The reversal of 4406818 is 8186044.

It can be written as a sum of positive squares in 2 ways, for example, as 4397409 + 9409 = 2097^2 + 97^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 4406818.

It is not an unprimeable number, because it can be changed into a prime (4406813) 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, 84721 + ... + 84772.

Almost surely, 2^4406818 is an apocalyptic number.

4406818 is a deficient number, since it is larger than the sum of its proper divisors (2711930).

4406818 is a wasteful number, since it uses less digits than its factorization.

4406818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169508.

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 4406818 is about 2099.2422442396. The cubic root of 4406818 is about 163.9488488108.

The spelling of 4406818 in words is "four million, four hundred six thousand, eight hundred eighteen".