343243197 has 16 divisors (see below), whose sum is σ = 554736960. Its totient is φ = 208026000.

The previous prime is 343243183. The next prime is 343243213. The reversal of 343243197 is 791342343.

It is not a de Polignac number, because 343243197 - 2⁸ = 343242941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343243597) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 577554 + ... + 578147.

It is an arithmetic number, because the mean of its divisors is an integer number (34671060).

Almost surely, 2^343243197 is an apocalyptic number.

It is an amenable number.

343243197 is a deficient number, since it is larger than the sum of its proper divisors (211493763).

343243197 is a wasteful number, since it uses less digits than its factorization.

343243197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155721 (or 1155715 counting only the distinct ones).

The product of its digits is 54432, while the sum is 36.

The square root of 343243197 is about 18526.8237158991. The cubic root of 343243197 is about 700.1654010508.

The spelling of 343243197 in words is "three hundred forty-three million, two hundred forty-three thousand, one hundred ninety-seven".