9992542 has 8 divisors (see below), whose sum is σ = 17130096. Its totient is φ = 4282512.

The previous prime is 9992533. The next prime is 9992569. The reversal of 9992542 is 2452999.

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

It is a junction number, because it is equal to n+sod(n) for n = 9992495 and 9992504.

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 in 3 ways as a sum of consecutive naturals, for example, 356863 + ... + 356890.

It is an arithmetic number, because the mean of its divisors is an integer number (2141262).

Almost surely, 2^9992542 is an apocalyptic number.

9992542 is a deficient number, since it is larger than the sum of its proper divisors (7137554).

9992542 is a wasteful number, since it uses less digits than its factorization.

9992542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713762.

The product of its digits is 58320, while the sum is 40.

The square root of 9992542 is about 3161.0982268825. The cubic root of 9992542 is about 215.3898964364.

The spelling of 9992542 in words is "nine million, nine hundred ninety-two thousand, five hundred forty-two".