197434371 has 12 divisors (see below), whose sum is σ = 269517768. Its totient is φ = 128558304.

The previous prime is 197434361. The next prime is 197434373. The reversal of 197434371 is 173434791.

It is not a de Polignac number, because 197434371 - 2¹⁰ = 197433347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (197434373) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12250 + ... + 23343.

It is an arithmetic number, because the mean of its divisors is an integer number (22459814).

Almost surely, 2^197434371 is an apocalyptic number.

197434371 is a deficient number, since it is larger than the sum of its proper divisors (72083397).

197434371 is an equidigital number, since it uses as much as digits as its factorization.

197434371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35682 (or 35639 counting only the distinct ones).

The product of its digits is 63504, while the sum is 39.

The square root of 197434371 is about 14051.1341535123. The cubic root of 197434371 is about 582.2921296512.

Adding to 197434371 its product of digits (63504), we get a triangular number (197497875 = T₁₉₈₇₄).

The spelling of 197434371 in words is "one hundred ninety-seven million, four hundred thirty-four thousand, three hundred seventy-one".