9992842 has 4 divisors (see below), whose sum is σ = 14989266. Its totient is φ = 4996420.

The previous prime is 9992797. The next prime is 9992861. The reversal of 9992842 is 2482999.

It is a happy number.

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., 5948721 + 4044121 = 2439^2 + 2011^2 .

It is an unprimeable number.

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, 2498209 + ... + 2498212.

Almost surely, 2^9992842 is an apocalyptic number.

9992842 is a deficient number, since it is larger than the sum of its proper divisors (4996424).

9992842 is a wasteful number, since it uses less digits than its factorization.

9992842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4996423.

The product of its digits is 93312, while the sum is 43.

The square root of 9992842 is about 3161.1456783894. The cubic root of 9992842 is about 215.3920519214.

The spelling of 9992842 in words is "nine million, nine hundred ninety-two thousand, eight hundred forty-two".