9927142 has 4 divisors (see below), whose sum is σ = 14890716. Its totient is φ = 4963570.

The previous prime is 9927131. The next prime is 9927179. The reversal of 9927142 is 2417299.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2417299 = 313 ⋅7723.

It is a junction number, because it is equal to n+sod(n) for n = 9927098 and 9927107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2481784 + ... + 2481787.

It is an arithmetic number, because the mean of its divisors is an integer number (3722679).

Almost surely, 2^9927142 is an apocalyptic number.

9927142 is a deficient number, since it is larger than the sum of its proper divisors (4963574).

9927142 is a wasteful number, since it uses less digits than its factorization.

9927142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4963573.

The product of its digits is 9072, while the sum is 34.

The square root of 9927142 is about 3150.7367392405. The cubic root of 9927142 is about 214.9189671192.

The spelling of 9927142 in words is "nine million, nine hundred twenty-seven thousand, one hundred forty-two".