8920472 has 32 divisors (see below), whose sum is σ = 18385920. Its totient is φ = 4023840.

The previous prime is 8920463. The next prime is 8920489. The reversal of 8920472 is 2740298.

It is a d-powerful number, because it can be written as 8 + 9⁶ + 2³ + 0 + 4³ + 7³ + 2²³ .

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, 14393 + ... + 14999.

It is an arithmetic number, because the mean of its divisors is an integer number (574560).

Almost surely, 2^8920472 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 8920472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9192960).

8920472 is an abundant number, since it is smaller than the sum of its proper divisors (9465448).

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

8920472 is a wasteful number, since it uses less digits than its factorization.

8920472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791 (or 787 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 8920472 is about 2986.7159222129. The cubic root of 8920472 is about 207.3938839035.

The spelling of 8920472 in words is "eight million, nine hundred twenty thousand, four hundred seventy-two".