4454128 has 20 divisors (see below), whose sum is σ = 9862960. Its totient is φ = 1908864.

The previous prime is 4454101. The next prime is 4454141. The reversal of 4454128 is 8214544.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 4454096 and 4454105.

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 3 ways as a sum of consecutive naturals, for example, 19773 + ... + 19996.

It is an arithmetic number, because the mean of its divisors is an integer number (493148).

Almost surely, 2^4454128 is an apocalyptic number.

It is an amenable number.

4454128 is an abundant number, since it is smaller than the sum of its proper divisors (5408832).

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

4454128 is a wasteful number, since it uses less digits than its factorization.

4454128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39784 (or 39778 counting only the distinct ones).

The product of its digits is 5120, while the sum is 28.

The square root of 4454128 is about 2110.4805140062. The cubic root of 4454128 is about 164.5334601793.

The spelling of 4454128 in words is "four million, four hundred fifty-four thousand, one hundred twenty-eight".