4406418 has 24 divisors (see below), whose sum is σ = 9597900. Its totient is φ = 1461024.

The previous prime is 4406411. The next prime is 4406429. The reversal of 4406418 is 8146044.

It can be written as a sum of positive squares in 2 ways, for example, as 4149369 + 257049 = 2037^2 + 507^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4406391 and 4406400.

It is not an unprimeable number, because it can be changed into a prime (4406411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3588 + ... + 4656.

Almost surely, 2^4406418 is an apocalyptic number.

4406418 is an abundant number, since it is smaller than the sum of its proper divisors (5191482).

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

4406418 is a wasteful number, since it uses less digits than its factorization.

4406418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1306 (or 1303 counting only the distinct ones).

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

The square root of 4406418 is about 2099.1469696046. The cubic root of 4406418 is about 163.9438882002.

The spelling of 4406418 in words is "four million, four hundred six thousand, four hundred eighteen".