4428768 has 24 divisors (see below), whose sum is σ = 11625768. Its totient is φ = 1476224.

The previous prime is 4428751. The next prime is 4428773. The reversal of 4428768 is 8678244.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×4428768² = 39227971995648, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22971 + ... + 23162.

It is an arithmetic number, because the mean of its divisors is an integer number (484407).

Almost surely, 2^4428768 is an apocalyptic number.

4428768 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

4428768 is an abundant number, since it is smaller than the sum of its proper divisors (7197000).

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

4428768 is a wasteful number, since it uses less digits than its factorization.

4428768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46146 (or 46138 counting only the distinct ones).

The product of its digits is 86016, while the sum is 39.

The square root of 4428768 is about 2104.4638272016. The cubic root of 4428768 is about 164.2206033817.

The spelling of 4428768 in words is "four million, four hundred twenty-eight thousand, seven hundred sixty-eight".