9429147 has 48 divisors (see below), whose sum is σ = 17384640. Its totient is φ = 4790016.

The previous prime is 9429143. The next prime is 9429157. The reversal of 9429147 is 7419249.

It is not a de Polignac number, because 9429147 - 2² = 9429143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9429143) 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 47 ways as a sum of consecutive naturals, for example, 23553 + ... + 23949.

It is an arithmetic number, because the mean of its divisors is an integer number (362180).

Almost surely, 2^9429147 is an apocalyptic number.

9429147 is a deficient number, since it is larger than the sum of its proper divisors (7955493).

9429147 is a wasteful number, since it uses less digits than its factorization.

9429147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452 (or 449 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 9429147 is about 3070.6916159067. The cubic root of 9429147 is about 211.2633370430.

It can be divided in two parts, 94 and 29147, that added together give a square (29241 = 171²).

The spelling of 9429147 in words is "nine million, four hundred twenty-nine thousand, one hundred forty-seven".