9993149 has 2 divisors, whose sum is σ = 9993150. Its totient is φ = 9993148.

The previous prime is 9993121. The next prime is 9993167. The reversal of 9993149 is 9413999.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9796900 + 196249 = 3130^2 + 443^2 .

It is a cyclic number.

It is not a de Polignac number, because 9993149 - 2¹² = 9989053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9993119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4996574 + 4996575.

It is an arithmetic number, because the mean of its divisors is an integer number (4996575).

Almost surely, 2^9993149 is an apocalyptic number.

It is an amenable number.

9993149 is a deficient number, since it is larger than the sum of its proper divisors (1).

9993149 is an equidigital number, since it uses as much as digits as its factorization.

9993149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 78732, while the sum is 44.

The square root of 9993149 is about 3161.1942363607. The cubic root of 9993149 is about 215.3942576564.

The spelling of 9993149 in words is "nine million, nine hundred ninety-three thousand, one hundred forty-nine".