9928392 has 16 divisors (see below), whose sum is σ = 24821040. Its totient is φ = 3309456.

The previous prime is 9928381. The next prime is 9928397. The reversal of 9928392 is 2938299.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (9928397) 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, 206818 + ... + 206865.

It is an arithmetic number, because the mean of its divisors is an integer number (1551315).

Almost surely, 2^9928392 is an apocalyptic number.

It is an amenable number.

9928392 is an abundant number, since it is smaller than the sum of its proper divisors (14892648).

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

9928392 is a wasteful number, since it uses less digits than its factorization.

9928392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413692 (or 413688 counting only the distinct ones).

The product of its digits is 69984, while the sum is 42.

The square root of 9928392 is about 3150.9350992999. The cubic root of 9928392 is about 214.9279874204.

The spelling of 9928392 in words is "nine million, nine hundred twenty-eight thousand, three hundred ninety-two".