9929420 has 12 divisors (see below), whose sum is σ = 20851824. Its totient is φ = 3971760.

The previous prime is 9929417. The next prime is 9929429. The reversal of 9929420 is 249299.

It is not an unprimeable number, because it can be changed into a prime (9929429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248216 + ... + 248255.

It is an arithmetic number, because the mean of its divisors is an integer number (1737652).

Almost surely, 2^9929420 is an apocalyptic number.

It is an amenable number.

9929420 is an abundant number, since it is smaller than the sum of its proper divisors (10922404).

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

9929420 is a wasteful number, since it uses less digits than its factorization.

9929420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496480 (or 496478 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 9929420 is about 3151.0982212556. The cubic root of 9929420 is about 214.9354051488.

The spelling of 9929420 in words is "nine million, nine hundred twenty-nine thousand, four hundred twenty".