9949231 has 2 divisors, whose sum is σ = 9949232. Its totient is φ = 9949230.

The previous prime is 9949169. The next prime is 9949249. The reversal of 9949231 is 1329499.

It is a strong prime.

It is an emirp because it is prime and its reverse (1329499) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9949231 - 2¹¹ = 9947183 is a prime.

It is a super-2 number, since 2×9949231² = 197974394982722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9949631) 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, 4974615 + 4974616.

It is an arithmetic number, because the mean of its divisors is an integer number (4974616).

Almost surely, 2^9949231 is an apocalyptic number.

9949231 is a deficient number, since it is larger than the sum of its proper divisors (1).

9949231 is an equidigital number, since it uses as much as digits as its factorization.

9949231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17496, while the sum is 37.

The square root of 9949231 is about 3154.2401620676. The cubic root of 9949231 is about 215.0782552703.

The spelling of 9949231 in words is "nine million, nine hundred forty-nine thousand, two hundred thirty-one".