9742928 has 40 divisors (see below), whose sum is σ = 20998656. Its totient is φ = 4348800.

The previous prime is 9742903. The next prime is 9742963. The reversal of 9742928 is 8292479.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5693 + ... + 7203.

Almost surely, 2^9742928 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 9742928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10499328).

9742928 is an abundant number, since it is smaller than the sum of its proper divisors (11255728).

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

9742928 is a wasteful number, since it uses less digits than its factorization.

9742928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1563 (or 1557 counting only the distinct ones).

The product of its digits is 72576, while the sum is 41.

The square root of 9742928 is about 3121.3663674743. The cubic root of 9742928 is about 213.5812698956.

The spelling of 9742928 in words is "nine million, seven hundred forty-two thousand, nine hundred twenty-eight".