9213842 has 8 divisors (see below), whose sum is σ = 15077232. Its totient is φ = 4188100.

The previous prime is 9213839. The next prime is 9213857. The reversal of 9213842 is 2483129.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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, 209384 + ... + 209427.

It is an arithmetic number, because the mean of its divisors is an integer number (1884654).

Almost surely, 2^9213842 is an apocalyptic number.

9213842 is a deficient number, since it is larger than the sum of its proper divisors (5863390).

9213842 is a wasteful number, since it uses less digits than its factorization.

9213842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418824.

The product of its digits is 3456, while the sum is 29.

The square root of 9213842 is about 3035.4311061199. The cubic root of 9213842 is about 209.6429457919.

The spelling of 9213842 in words is "nine million, two hundred thirteen thousand, eight hundred forty-two".