8465728 has 56 divisors (see below), whose sum is σ = 18434304. Its totient is φ = 3840000.

The previous prime is 8465713. The next prime is 8465741. The reversal of 8465728 is 8275648.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33603 + ... + 33853.

It is an arithmetic number, because the mean of its divisors is an integer number (329184).

Almost surely, 2^8465728 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 8465728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9217152).

8465728 is an abundant number, since it is smaller than the sum of its proper divisors (9968576).

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

8465728 is a wasteful number, since it uses less digits than its factorization.

8465728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311 (or 301 counting only the distinct ones).

The product of its digits is 107520, while the sum is 40.

The square root of 8465728 is about 2909.5924113181. The cubic root of 8465728 is about 203.8080984030.

The spelling of 8465728 in words is "eight million, four hundred sixty-five thousand, seven hundred twenty-eight".