9189242 has 4 divisors (see below), whose sum is σ = 13783866. Its totient is φ = 4594620.

The previous prime is 9189239. The next prime is 9189247. The reversal of 9189242 is 2429819.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8288641 + 900601 = 2879^2 + 949^2 .

It is not an unprimeable number, because it can be changed into a prime (9189247) 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 as a sum of consecutive naturals, namely, 2297309 + ... + 2297312.

Almost surely, 2^9189242 is an apocalyptic number.

9189242 is a deficient number, since it is larger than the sum of its proper divisors (4594624).

9189242 is a wasteful number, since it uses less digits than its factorization.

9189242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4594623.

The product of its digits is 10368, while the sum is 35.

The square root of 9189242 is about 3031.3762551026. The cubic root of 9189242 is about 209.4562045450.

The spelling of 9189242 in words is "nine million, one hundred eighty-nine thousand, two hundred forty-two".