197349843 has 8 divisors (see below), whose sum is σ = 272206800. Its totient is φ = 127029728.

The previous prime is 197349811. The next prime is 197349853. The reversal of 197349843 is 348943791.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 197349843 - 2⁵ = 197349811 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 197349792 and 197349801.

It is not an unprimeable number, because it can be changed into a prime (197349853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1134108 + ... + 1134281.

It is an arithmetic number, because the mean of its divisors is an integer number (34025850).

Almost surely, 2^197349843 is an apocalyptic number.

197349843 is a deficient number, since it is larger than the sum of its proper divisors (74856957).

197349843 is a wasteful number, since it uses less digits than its factorization.

197349843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2268421.

The product of its digits is 653184, while the sum is 48.

The square root of 197349843 is about 14048.1259604262. The cubic root of 197349843 is about 582.2090184638.

The spelling of 197349843 in words is "one hundred ninety-seven million, three hundred forty-nine thousand, eight hundred forty-three".