9991342 has 8 divisors (see below), whose sum is σ = 15868656. Its totient is φ = 4701792.

The previous prime is 9991337. The next prime is 9991343. The reversal of 9991342 is 2431999.

9991342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9991343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146898 + ... + 146965.

It is an arithmetic number, because the mean of its divisors is an integer number (1983582).

Almost surely, 2^9991342 is an apocalyptic number.

9991342 is a deficient number, since it is larger than the sum of its proper divisors (5877314).

9991342 is a wasteful number, since it uses less digits than its factorization.

9991342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293882.

The product of its digits is 17496, while the sum is 37.

The square root of 9991342 is about 3160.9084137317. The cubic root of 9991342 is about 215.3812740651.

The spelling of 9991342 in words is "nine million, nine hundred ninety-one thousand, three hundred forty-two".