9421247 has 16 divisors (see below), whose sum is σ = 11031552. Its totient is φ = 7950720.

The previous prime is 9421189. The next prime is 9421261. The reversal of 9421247 is 7421249.

It is a cyclic number.

It is not a de Polignac number, because 9421247 - 2⁶ = 9421183 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 (9421277) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15218 + ... + 15824.

It is an arithmetic number, because the mean of its divisors is an integer number (689472).

Almost surely, 2^9421247 is an apocalyptic number.

9421247 is a deficient number, since it is larger than the sum of its proper divisors (1610305).

9421247 is a wasteful number, since it uses less digits than its factorization.

9421247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718.

The product of its digits is 4032, while the sum is 29.

The square root of 9421247 is about 3069.4049911994. The cubic root of 9421247 is about 211.2043198033.

The spelling of 9421247 in words is "nine million, four hundred twenty-one thousand, two hundred forty-seven".