8332728 has 16 divisors (see below), whose sum is σ = 20831880. Its totient is φ = 2777568.

The previous prime is 8332699. The next prime is 8332729. The reversal of 8332728 is 8272338.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8332729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173575 + ... + 173622.

Almost surely, 2^8332728 is an apocalyptic number.

It is an amenable number.

8332728 is an abundant number, since it is smaller than the sum of its proper divisors (12499152).

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

8332728 is a wasteful number, since it uses less digits than its factorization.

8332728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347206 (or 347202 counting only the distinct ones).

The product of its digits is 16128, while the sum is 33.

The square root of 8332728 is about 2886.6464972352. The cubic root of 8332728 is about 202.7351573874.

The spelling of 8332728 in words is "eight million, three hundred thirty-two thousand, seven hundred twenty-eight".