197833849 has 2 divisors, whose sum is σ = 197833850. Its totient is φ = 197833848.

The previous prime is 197833817. The next prime is 197833859. The reversal of 197833849 is 948338791.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 157954624 + 39879225 = 12568^2 + 6315^2 .

It is a cyclic number.

It is not a de Polignac number, because 197833849 - 2⁵ = 197833817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 197833796 and 197833805.

It is not a weakly prime, because it can be changed into another prime (197833859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98916924 + 98916925.

It is an arithmetic number, because the mean of its divisors is an integer number (98916925).

Almost surely, 2^197833849 is an apocalyptic number.

It is an amenable number.

197833849 is a deficient number, since it is larger than the sum of its proper divisors (1).

197833849 is an equidigital number, since it uses as much as digits as its factorization.

197833849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1306368, while the sum is 52.

The square root of 197833849 is about 14065.3421216834. The cubic root of 197833849 is about 582.6845911813.

It can be divided in two parts, 19783 and 3849, that added together give a palindrome (23632).

The spelling of 197833849 in words is "one hundred ninety-seven million, eight hundred thirty-three thousand, eight hundred forty-nine".