9928512 has 84 divisors (see below), whose sum is σ = 31065216. Its totient is φ = 3006720.

The previous prime is 9928487. The next prime is 9928537. The reversal of 9928512 is 2158299.

It is an interprime number because it is at equal distance from previous prime (9928487) and next prime (9928537).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 5553 + ... + 7119.

It is an arithmetic number, because the mean of its divisors is an integer number (369824).

Almost surely, 2^9928512 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 9928512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15532608).

9928512 is an abundant number, since it is smaller than the sum of its proper divisors (21136704).

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

9928512 is a wasteful number, since it uses less digits than its factorization.

9928512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1596 (or 1583 counting only the distinct ones).

The product of its digits is 12960, while the sum is 36.

The square root of 9928512 is about 3150.9541412087. The cubic root of 9928512 is about 214.9288533295.

It can be divided in two parts, 9928 and 512, that added together give a triangular number (10440 = T₁₄₄).

The spelling of 9928512 in words is "nine million, nine hundred twenty-eight thousand, five hundred twelve".