9698149 has 2 divisors, whose sum is σ = 9698150. Its totient is φ = 9698148.

The previous prime is 9698141. The next prime is 9698167. The reversal of 9698149 is 9418969.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9042049 + 656100 = 3007^2 + 810^2 .

It is a cyclic number.

It is not a de Polignac number, because 9698149 - 2³ = 9698141 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 9698099 and 9698108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9698141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4849074 + 4849075.

It is an arithmetic number, because the mean of its divisors is an integer number (4849075).

Almost surely, 2^9698149 is an apocalyptic number.

It is an amenable number.

9698149 is a deficient number, since it is larger than the sum of its proper divisors (1).

9698149 is an equidigital number, since it uses as much as digits as its factorization.

9698149 is an odious number, because the sum of its binary digits is odd.

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

The square root of 9698149 is about 3114.1851261606. The cubic root of 9698149 is about 213.2535571397.

The spelling of 9698149 in words is "nine million, six hundred ninety-eight thousand, one hundred forty-nine".