9742286 has 4 divisors (see below), whose sum is σ = 14613432. Its totient is φ = 4871142.

The previous prime is 9742267. The next prime is 9742331. The reversal of 9742286 is 6822479.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6822479 = 911 ⋅7489.

It is a congruent number.

It is an unprimeable number.

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, 2435570 + ... + 2435573.

It is an arithmetic number, because the mean of its divisors is an integer number (3653358).

Almost surely, 2^9742286 is an apocalyptic number.

9742286 is a deficient number, since it is larger than the sum of its proper divisors (4871146).

9742286 is a wasteful number, since it uses less digits than its factorization.

9742286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4871145.

The product of its digits is 48384, while the sum is 38.

The square root of 9742286 is about 3121.2635262022. The cubic root of 9742286 is about 213.5765785548.

The spelling of 9742286 in words is "nine million, seven hundred forty-two thousand, two hundred eighty-six".