849197 has 2 divisors, whose sum is σ = 849198. Its totient is φ = 849196.

The previous prime is 849179. The next prime is 849203. The reversal of 849197 is 791948.

Together with previous prime (849179) 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., 556516 + 292681 = 746^2 + 541^2 .

It is a cyclic number.

It is not a de Polignac number, because 849197 - 2⁸ = 848941 is a prime.

It is a super-2 number, since 2×849197² = 1442271089618, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 849197.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 849197.

It is not a weakly prime, because it can be changed into another prime (849127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 424598 + 424599.

It is an arithmetic number, because the mean of its divisors is an integer number (424599).

2⁸⁴⁹¹⁹⁷ is an apocalyptic number.

It is an amenable number.

849197 is a deficient number, since it is larger than the sum of its proper divisors (1).

849197 is an equidigital number, since it uses as much as digits as its factorization.

849197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 38.

The square root of 849197 is about 921.5188549346. The cubic root of 849197 is about 94.6969846577.

The spelling of 849197 in words is "eight hundred forty-nine thousand, one hundred ninety-seven".