9239142 has 16 divisors (see below), whose sum is σ = 20158272. Its totient is φ = 2799720.

The previous prime is 9239141. The next prime is 9239161. The reversal of 9239142 is 2419329.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9239141) 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 7 ways as a sum of consecutive naturals, for example, 69928 + ... + 70059.

It is an arithmetic number, because the mean of its divisors is an integer number (1259892).

Almost surely, 2^9239142 is an apocalyptic number.

9239142 is an abundant number, since it is smaller than the sum of its proper divisors (10919130).

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

9239142 is a wasteful number, since it uses less digits than its factorization.

9239142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140003.

The product of its digits is 3888, while the sum is 30.

The square root of 9239142 is about 3039.5956967992. The cubic root of 9239142 is about 209.8346544282.

The spelling of 9239142 in words is "nine million, two hundred thirty-nine thousand, one hundred forty-two".