9911834 has 4 divisors (see below), whose sum is σ = 14867754. Its totient is φ = 4955916.

The previous prime is 9911831. The next prime is 9911849. The reversal of 9911834 is 4381199.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5085025 + 4826809 = 2255^2 + 2197^2 .

It is a junction number, because it is equal to n+sod(n) for n = 9911794 and 9911803.

It is not an unprimeable number, because it can be changed into a prime (9911831) 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 as a sum of consecutive naturals, namely, 2477957 + ... + 2477960.

Almost surely, 2^9911834 is an apocalyptic number.

9911834 is a deficient number, since it is larger than the sum of its proper divisors (4955920).

9911834 is a wasteful number, since it uses less digits than its factorization.

9911834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4955919.

The product of its digits is 7776, while the sum is 35.

The square root of 9911834 is about 3148.3065289136. The cubic root of 9911834 is about 214.8084394337.

The spelling of 9911834 in words is "nine million, nine hundred eleven thousand, eight hundred thirty-four".