4418428 has 18 divisors (see below), whose sum is σ = 8995056. Its totient is φ = 1893528.

The previous prime is 4418417. The next prime is 4418437. The reversal of 4418428 is 8248144.

It is a self number, because there is not a number n which added to its sum of digits gives 4418428.

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, 11076 + ... + 11467.

Almost surely, 2^4418428 is an apocalyptic number.

It is an amenable number.

4418428 is an abundant number, since it is smaller than the sum of its proper divisors (4576628).

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

4418428 is a wasteful number, since it uses less digits than its factorization.

4418428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22561 (or 22552 counting only the distinct ones).

The product of its digits is 8192, while the sum is 31.

The square root of 4418428 is about 2102.0057088410. The cubic root of 4418428 is about 164.0926999221.

The spelling of 4418428 in words is "four million, four hundred eighteen thousand, four hundred twenty-eight".