9919234 has 8 divisors (see below), whose sum is σ = 16023420. Its totient is φ = 4578096.

The previous prime is 9919229. The next prime is 9919237. The reversal of 9919234 is 4329199.

It can be written as a sum of positive squares in 2 ways, for example, as 9903609 + 15625 = 3147^2 + 125^2 .

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 = 9919193 and 9919202.

It is not an unprimeable number, because it can be changed into a prime (9919237) 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, 190729 + ... + 190780.

Almost surely, 2^9919234 is an apocalyptic number.

9919234 is a deficient number, since it is larger than the sum of its proper divisors (6104186).

9919234 is a wasteful number, since it uses less digits than its factorization.

9919234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381524.

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

The square root of 9919234 is about 3149.4815446356. The cubic root of 9919234 is about 214.8618835299.

It can be divided in two parts, 9919 and 234, that added together give a triangular number (10153 = T₁₄₂).

The spelling of 9919234 in words is "nine million, nine hundred nineteen thousand, two hundred thirty-four".