9420447 has 32 divisors (see below), whose sum is σ = 14112000. Its totient is φ = 5564160.

The previous prime is 9420421. The next prime is 9420451. The reversal of 9420447 is 7440249.

It is not a de Polignac number, because 9420447 - 2⁷ = 9420319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9420407) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 67704 + ... + 67842.

It is an arithmetic number, because the mean of its divisors is an integer number (441000).

Almost surely, 2^9420447 is an apocalyptic number.

9420447 is a deficient number, since it is larger than the sum of its proper divisors (4691553).

9420447 is a wasteful number, since it uses less digits than its factorization.

9420447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 9420447 is about 3069.2746700157. The cubic root of 9420447 is about 211.1983415346.

The spelling of 9420447 in words is "nine million, four hundred twenty thousand, four hundred forty-seven".