4418406 has 24 divisors (see below), whose sum is σ = 9808344. Its totient is φ = 1436640.

The previous prime is 4418389. The next prime is 4418417. The reversal of 4418406 is 6048144.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4418406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2256 + ... + 3731.

It is an arithmetic number, because the mean of its divisors is an integer number (408681).

Almost surely, 2^4418406 is an apocalyptic number.

4418406 is an abundant number, since it is smaller than the sum of its proper divisors (5389938).

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

4418406 is a wasteful number, since it uses less digits than its factorization.

4418406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6036 (or 6033 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 4418406 is about 2102.0004757373. Note that the first 3 decimals coincide. The cubic root of 4418406 is about 164.0924275744.

The spelling of 4418406 in words is "four million, four hundred eighteen thousand, four hundred six".