9728477 has 8 divisors (see below), whose sum is σ = 10684992. Its totient is φ = 8784000.

The previous prime is 9728443. The next prime is 9728489. The reversal of 9728477 is 7748279.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9728477 - 2¹⁰ = 9727453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9728417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1268 + ... + 4589.

It is an arithmetic number, because the mean of its divisors is an integer number (1335624).

Almost surely, 2^9728477 is an apocalyptic number.

It is an amenable number.

9728477 is a deficient number, since it is larger than the sum of its proper divisors (956515).

9728477 is a wasteful number, since it uses less digits than its factorization.

9728477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6019.

The product of its digits is 197568, while the sum is 44.

The square root of 9728477 is about 3119.0506568506. The cubic root of 9728477 is about 213.4756209514.

It can be divided in two parts, 972 and 8477, that added together give a palindrome (9449).

The spelling of 9728477 in words is "nine million, seven hundred twenty-eight thousand, four hundred seventy-seven".