9166842 has 48 divisors (see below), whose sum is σ = 21776040. Its totient is φ = 2774016.

The previous prime is 9166841. The next prime is 9166847. The reversal of 9166842 is 2486619.

It can be written as a sum of positive squares in 4 ways, for example, as 9126441 + 40401 = 3021^2 + 201^2 .

It is a junction number, because it is equal to n+sod(n) for n = 9166797 and 9166806.

It is not an unprimeable number, because it can be changed into a prime (9166841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8358 + ... + 9390.

Almost surely, 2^9166842 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9166842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10888020).

9166842 is an abundant number, since it is smaller than the sum of its proper divisors (12609198).

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

9166842 is a wasteful number, since it uses less digits than its factorization.

9166842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1087 (or 1084 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 9166842 is about 3027.6793093061. The cubic root of 9166842 is about 209.2858736130.

The spelling of 9166842 in words is "nine million, one hundred sixty-six thousand, eight hundred forty-two".