9928486 has 4 divisors (see below), whose sum is σ = 14892732. Its totient is φ = 4964242.

The previous prime is 9928453. The next prime is 9928487. The reversal of 9928486 is 6848299.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6848299 = 2543 ⋅2693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9928487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2482120 + ... + 2482123.

It is an arithmetic number, because the mean of its divisors is an integer number (3723183).

Almost surely, 2^9928486 is an apocalyptic number.

9928486 is a deficient number, since it is larger than the sum of its proper divisors (4964246).

9928486 is a wasteful number, since it uses less digits than its factorization.

9928486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4964245.

The product of its digits is 248832, while the sum is 46.

The square root of 9928486 is about 3150.9500154715. The cubic root of 9928486 is about 214.9286657165.

The spelling of 9928486 in words is "nine million, nine hundred twenty-eight thousand, four hundred eighty-six".