9198961 has 2 divisors, whose sum is σ = 9198962. Its totient is φ = 9198960.

The previous prime is 9198941. The next prime is 9199007. The reversal of 9198961 is 1698919.

9198961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4704561 + 4494400 = 2169^2 + 2120^2 .

It is a cyclic number.

It is not a de Polignac number, because 9198961 - 2¹⁷ = 9067889 is a prime.

It is not a weakly prime, because it can be changed into another prime (9198901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4599480 + 4599481.

It is an arithmetic number, because the mean of its divisors is an integer number (4599481).

Almost surely, 2^9198961 is an apocalyptic number.

It is an amenable number.

9198961 is a deficient number, since it is larger than the sum of its proper divisors (1).

9198961 is an equidigital number, since it uses as much as digits as its factorization.

9198961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34992, while the sum is 43.

The square root of 9198961 is about 3032.9788987067. The cubic root of 9198961 is about 209.5300222979.

The spelling of 9198961 in words is "nine million, one hundred ninety-eight thousand, nine hundred sixty-one".