9429966 has 128 divisors (see below), whose sum is σ = 27417600. Its totient is φ = 2332800.

The previous prime is 9429961. The next prime is 9429967. The reversal of 9429966 is 6699249.

It is a super-2 number, since 2×9429966² = 177848517522312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9429961) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 93316 + ... + 93416.

It is an arithmetic number, because the mean of its divisors is an integer number (214200).

Almost surely, 2^9429966 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9429966, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13708800).

9429966 is an abundant number, since it is smaller than the sum of its proper divisors (17987634).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9429966 is a wasteful number, since it uses less digits than its factorization.

9429966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151 (or 145 counting only the distinct ones).

The product of its digits is 209952, while the sum is 45.

The square root of 9429966 is about 3070.8249705902. The cubic root of 9429966 is about 211.2694535264.

The spelling of 9429966 in words is "nine million, four hundred twenty-nine thousand, nine hundred sixty-six".