197061843 has 16 divisors (see below), whose sum is σ = 287517312. Its totient is φ = 119064000.

The previous prime is 197061833. The next prime is 197061853. The reversal of 197061843 is 348160791.

It is an interprime number because it is at equal distance from previous prime (197061833) and next prime (197061853).

It is not a de Polignac number, because 197061843 - 2⁴ = 197061827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (197061833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1903 + ... + 19943.

It is an arithmetic number, because the mean of its divisors is an integer number (17969832).

Almost surely, 2^197061843 is an apocalyptic number.

197061843 is a deficient number, since it is larger than the sum of its proper divisors (90455469).

197061843 is a wasteful number, since it uses less digits than its factorization.

197061843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18386.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 197061843 is about 14037.8717404028. The cubic root of 197061843 is about 581.9256674590.

The spelling of 197061843 in words is "one hundred ninety-seven million, sixty-one thousand, eight hundred forty-three".