9428197 has 2 divisors, whose sum is σ = 9428198. Its totient is φ = 9428196.

The previous prime is 9428179. The next prime is 9428213. The reversal of 9428197 is 7918249.

Together with previous prime (9428179) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5764801 + 3663396 = 2401^2 + 1914^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9428197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9428147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4714098 + 4714099.

It is an arithmetic number, because the mean of its divisors is an integer number (4714099).

Almost surely, 2^9428197 is an apocalyptic number.

It is an amenable number.

9428197 is a deficient number, since it is larger than the sum of its proper divisors (1).

9428197 is an equidigital number, since it uses as much as digits as its factorization.

9428197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 40.

The square root of 9428197 is about 3070.5369237317. The cubic root of 9428197 is about 211.2562417772.

The spelling of 9428197 in words is "nine million, four hundred twenty-eight thousand, one hundred ninety-seven".