9957242 has 8 divisors (see below), whose sum is σ = 15035232. Its totient is φ = 4945500.

The previous prime is 9957203. The next prime is 9957247. The reversal of 9957242 is 2427599.

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

It is a d-powerful number, because it can be written as 9⁷ + 9⁷ + 5⁸ + 7³ + 2⁶ + 4² + 2⁸ .

It is a junction number, because it is equal to n+sod(n) for n = 9957196 and 9957205.

It is not an unprimeable number, because it can be changed into a prime (9957247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16184 + ... + 16787.

It is an arithmetic number, because the mean of its divisors is an integer number (1879404).

Almost surely, 2^9957242 is an apocalyptic number.

9957242 is a deficient number, since it is larger than the sum of its proper divisors (5077990).

9957242 is a wasteful number, since it uses less digits than its factorization.

9957242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33124.

The product of its digits is 45360, while the sum is 38.

The square root of 9957242 is about 3155.5097844881. The cubic root of 9957242 is about 215.1359659170.

The spelling of 9957242 in words is "nine million, nine hundred fifty-seven thousand, two hundred forty-two".