9256728 has 32 divisors (see below), whose sum is σ = 24922800. Its totient is φ = 2848128.

The previous prime is 9256703. The next prime is 9256729. The reversal of 9256728 is 8276529.

It is a happy number.

9256728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9256729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14523 + ... + 15146.

Almost surely, 2^9256728 is an apocalyptic number.

It is an amenable number.

9256728 is an abundant number, since it is smaller than the sum of its proper divisors (15666072).

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

9256728 is a wasteful number, since it uses less digits than its factorization.

9256728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29691 (or 29687 counting only the distinct ones).

The product of its digits is 60480, while the sum is 39.

The square root of 9256728 is about 3042.4871404823. The cubic root of 9256728 is about 209.9677047842.

The spelling of 9256728 in words is "nine million, two hundred fifty-six thousand, seven hundred twenty-eight".