8469728 has 24 divisors (see below), whose sum is σ = 16952040. Its totient is φ = 4164480.

The previous prime is 8469709. The next prime is 8469733. The reversal of 8469728 is 8279648.

8469728 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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, 218 + ... + 4121.

It is an arithmetic number, because the mean of its divisors is an integer number (706335).

Almost surely, 2^8469728 is an apocalyptic number.

It is an amenable number.

8469728 is an abundant number, since it is smaller than the sum of its proper divisors (8482312).

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

8469728 is a wasteful number, since it uses less digits than its factorization.

8469728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4410 (or 4402 counting only the distinct ones).

The product of its digits is 193536, while the sum is 44.

The square root of 8469728 is about 2910.2797116429. The cubic root of 8469728 is about 203.8401926710.

It can be divided in two parts, 846972 and 8, that multiplied together give a palindrome (6775776).

The spelling of 8469728 in words is "eight million, four hundred sixty-nine thousand, seven hundred twenty-eight".