9894169 has 4 divisors (see below), whose sum is σ = 9933840. Its totient is φ = 9854500.

The previous prime is 9894151. The next prime is 9894173. The reversal of 9894169 is 9614989.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9614989 = 23 ⋅418043.

It is a cyclic number.

It is not a de Polignac number, because 9894169 - 2¹¹ = 9892121 is a prime.

It is a super-2 number, since 2×9894169² = 195789160401122, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9894109) 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 in 3 ways as a sum of consecutive naturals, for example, 19459 + ... + 19960.

It is an arithmetic number, because the mean of its divisors is an integer number (2483460).

Almost surely, 2^9894169 is an apocalyptic number.

It is an amenable number.

9894169 is a deficient number, since it is larger than the sum of its proper divisors (39671).

9894169 is a wasteful number, since it uses less digits than its factorization.

9894169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39670.

The product of its digits is 139968, while the sum is 46.

The square root of 9894169 is about 3145.4998013034. The cubic root of 9894169 is about 214.6807520795.

The spelling of 9894169 in words is "nine million, eight hundred ninety-four thousand, one hundred sixty-nine".