9719242 has 16 divisors (see below), whose sum is σ = 15806952. Its totient is φ = 4455360.

The previous prime is 9719231. The next prime is 9719249. The reversal of 9719242 is 2429179.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2217121 + 7502121 = 1489^2 + 2739^2 .

It is a junction number, because it is equal to n+sod(n) for n = 9719198 and 9719207.

It is not an unprimeable number, because it can be changed into a prime (9719249) 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 7 ways as a sum of consecutive naturals, for example, 2892 + ... + 5272.

Almost surely, 2^9719242 is an apocalyptic number.

9719242 is a deficient number, since it is larger than the sum of its proper divisors (6087710).

9719242 is a wasteful number, since it uses less digits than its factorization.

9719242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2553.

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

The square root of 9719242 is about 3117.5698869472. The cubic root of 9719242 is about 213.4080505426.

The spelling of 9719242 in words is "nine million, seven hundred nineteen thousand, two hundred forty-two".