9892742 has 8 divisors (see below), whose sum is σ = 15712056. Its totient is φ = 4655392.

The previous prime is 9892723. The next prime is 9892747. The reversal of 9892742 is 2472989.

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

It is a self number, because there is not a number n which added to its sum of digits gives 9892742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9892747) by changing a digit.

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, 145448 + ... + 145515.

It is an arithmetic number, because the mean of its divisors is an integer number (1964007).

Almost surely, 2^9892742 is an apocalyptic number.

9892742 is a deficient number, since it is larger than the sum of its proper divisors (5819314).

9892742 is a wasteful number, since it uses less digits than its factorization.

9892742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290982.

The product of its digits is 72576, while the sum is 41.

The square root of 9892742 is about 3145.2729611275. The cubic root of 9892742 is about 214.6704307087.

It can be divided in two parts, 98 and 92742, that multiplied together give a triangular number (9088716 = T₄₂₆₃).

The spelling of 9892742 in words is "nine million, eight hundred ninety-two thousand, seven hundred forty-two".