9719142 has 8 divisors (see below), whose sum is σ = 19438296. Its totient is φ = 3239712.

The previous prime is 9719141. The next prime is 9719167. The reversal of 9719142 is 2419179.

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

9719142 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9719141) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 809923 + ... + 809934.

It is an arithmetic number, because the mean of its divisors is an integer number (2429787).

Almost surely, 2^9719142 is an apocalyptic number.

9719142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9719142 is a wasteful number, since it uses less digits than its factorization.

9719142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1619862.

The product of its digits is 4536, while the sum is 33.

The square root of 9719142 is about 3117.5538487731. The cubic root of 9719142 is about 213.4073186310.

The spelling of 9719142 in words is "nine million, seven hundred nineteen thousand, one hundred forty-two".