9949181 has 12 divisors (see below), whose sum is σ = 11094720. Its totient is φ = 8846760.

The previous prime is 9949169. The next prime is 9949231. The reversal of 9949181 is 1819499.

It is not a de Polignac number, because 9949181 - 2¹⁰ = 9948157 is a prime.

It is a super-2 number, since 2×9949181² = 197972405141522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9949081) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92930 + ... + 93036.

It is an arithmetic number, because the mean of its divisors is an integer number (924560).

Almost surely, 2^9949181 is an apocalyptic number.

It is an amenable number.

9949181 is a deficient number, since it is larger than the sum of its proper divisors (1145539).

9949181 is a wasteful number, since it uses less digits than its factorization.

9949181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304 (or 197 counting only the distinct ones).

The product of its digits is 23328, while the sum is 41.

The square root of 9949181 is about 3154.2322362185. The cubic root of 9949181 is about 215.0778949768.

The spelling of 9949181 in words is "nine million, nine hundred forty-nine thousand, one hundred eighty-one".