4418478 has 12 divisors (see below), whose sum is σ = 9573408. Its totient is φ = 1472820.

The previous prime is 4418467. The next prime is 4418483. The reversal of 4418478 is 8748144.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 122718 + ... + 122753.

It is an arithmetic number, because the mean of its divisors is an integer number (797784).

Almost surely, 2^4418478 is an apocalyptic number.

4418478 is an abundant number, since it is smaller than the sum of its proper divisors (5154930).

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

4418478 is a wasteful number, since it uses less digits than its factorization.

4418478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245479 (or 245476 counting only the distinct ones).

The product of its digits is 28672, while the sum is 36.

The square root of 4418478 is about 2102.0176022098. The cubic root of 4418478 is about 164.0933188906.

The spelling of 4418478 in words is "four million, four hundred eighteen thousand, four hundred seventy-eight".