9949169 has 2 divisors, whose sum is σ = 9949170. Its totient is φ = 9949168.

The previous prime is 9949123. The next prime is 9949231. The reversal of 9949169 is 9619499.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5382400 + 4566769 = 2320^2 + 2137^2 .

It is an emirp because it is prime and its reverse (9619499) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9949169 - 2¹⁶ = 9883633 is a prime.

It is a super-2 number, since 2×9949169² = 197971927581122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9949769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4974584 + 4974585.

It is an arithmetic number, because the mean of its divisors is an integer number (4974585).

Almost surely, 2^9949169 is an apocalyptic number.

It is an amenable number.

9949169 is a deficient number, since it is larger than the sum of its proper divisors (1).

9949169 is an equidigital number, since it uses as much as digits as its factorization.

9949169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 157464, while the sum is 47.

The square root of 9949169 is about 3154.2303340118. The cubic root of 9949169 is about 215.0778085062.

The spelling of 9949169 in words is "nine million, nine hundred forty-nine thousand, one hundred sixty-nine".