9509242 has 4 divisors (see below), whose sum is σ = 14263866. Its totient is φ = 4754620.

The previous prime is 9509233. The next prime is 9509249. The reversal of 9509242 is 2429059.

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., 7403841 + 2105401 = 2721^2 + 1451^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (9509249) 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 as a sum of consecutive naturals, namely, 2377309 + ... + 2377312.

Almost surely, 2^9509242 is an apocalyptic number.

9509242 is a deficient number, since it is larger than the sum of its proper divisors (4754624).

9509242 is a wasteful number, since it uses less digits than its factorization.

9509242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4754623.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 9509242 is about 3083.7058874024. The cubic root of 9509242 is about 211.8598367455.

The spelling of 9509242 in words is "nine million, five hundred nine thousand, two hundred forty-two".