4265728 has 36 divisors (see below), whose sum is σ = 8973160. Its totient is φ = 2018304.

The previous prime is 4265719. The next prime is 4265731. The reversal of 4265728 is 8275624.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a d-powerful number, because it can be written as 4⁸ + 2⁷ + 6⁴ + 5² + 7³ + 2²² + 8⁴ .

It is a junction number, because it is equal to n+sod(n) for n = 4265693 and 4265702.

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, 4426 + ... + 5302.

Almost surely, 2^4265728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4265728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4486580).

4265728 is an abundant number, since it is smaller than the sum of its proper divisors (4707432).

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

4265728 is an equidigital number, since it uses as much as digits as its factorization.

4265728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912 (or 898 counting only the distinct ones).

The product of its digits is 26880, while the sum is 34.

The square root of 4265728 is about 2065.3638904561. The cubic root of 4265728 is about 162.1801582590.

The spelling of 4265728 in words is "four million, two hundred sixty-five thousand, seven hundred twenty-eight".