9428647 has 8 divisors (see below), whose sum is σ = 9843120. Its totient is φ = 9023040.

The previous prime is 9428641. The next prime is 9428669. The reversal of 9428647 is 7468249.

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 9428647 - 2¹⁹ = 8904359 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 (9428641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4 + ... + 4342.

It is an arithmetic number, because the mean of its divisors is an integer number (1230390).

Almost surely, 2^9428647 is an apocalyptic number.

9428647 is a deficient number, since it is larger than the sum of its proper divisors (414473).

9428647 is a wasteful number, since it uses less digits than its factorization.

9428647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4433.

The product of its digits is 96768, while the sum is 40.

The square root of 9428647 is about 3070.6101999440. The cubic root of 9428647 is about 211.2596027520.

The spelling of 9428647 in words is "nine million, four hundred twenty-eight thousand, six hundred forty-seven".