9428972 has 36 divisors (see below), whose sum is σ = 19487160. Its totient is φ = 3979584.

The previous prime is 9428963. The next prime is 9428989. The reversal of 9428972 is 2798249.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13979 + ... + 14637.

It is an arithmetic number, because the mean of its divisors is an integer number (541310).

Almost surely, 2^9428972 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 9428972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9743580).

9428972 is an abundant number, since it is smaller than the sum of its proper divisors (10058188).

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

9428972 is a wasteful number, since it uses less digits than its factorization.

9428972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750 (or 741 counting only the distinct ones).

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

The square root of 9428972 is about 3070.6631205653. The cubic root of 9428972 is about 211.2620300561.

The spelling of 9428972 in words is "nine million, four hundred twenty-eight thousand, nine hundred seventy-two".