9252728 has 8 divisors (see below), whose sum is σ = 17348880. Its totient is φ = 4626360.

The previous prime is 9252721. The next prime is 9252773. The reversal of 9252728 is 8272529.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×9252728² = 171225950883968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9252721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 578288 + ... + 578303.

It is an arithmetic number, because the mean of its divisors is an integer number (2168610).

Almost surely, 2^9252728 is an apocalyptic number.

It is an amenable number.

9252728 is a deficient number, since it is larger than the sum of its proper divisors (8096152).

9252728 is a wasteful number, since it uses less digits than its factorization.

9252728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156597 (or 1156593 counting only the distinct ones).

The product of its digits is 20160, while the sum is 35.

The square root of 9252728 is about 3041.8297125250. The cubic root of 9252728 is about 209.9374568096.

The spelling of 9252728 in words is "nine million, two hundred fifty-two thousand, seven hundred twenty-eight".