349660197 has 12 divisors (see below), whose sum is σ = 505396320. Its totient is φ = 232953768.

The previous prime is 349660187. The next prime is 349660229. The reversal of 349660197 is 791066943.

349660197 is a `hidden beast` number, since 34 + 9 + 6 + 601 + 9 + 7 = 666.

It is not a de Polignac number, because 349660197 - 2¹⁰ = 349659173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349660117) 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, 2704 + ... + 26582.

It is an arithmetic number, because the mean of its divisors is an integer number (42116360).

Almost surely, 2^349660197 is an apocalyptic number.

It is an amenable number.

349660197 is a deficient number, since it is larger than the sum of its proper divisors (155736123).

349660197 is a wasteful number, since it uses less digits than its factorization.

349660197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25512 (or 25509 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 349660197 is about 18699.2031113628. The cubic root of 349660197 is about 704.5017333356.

The spelling of 349660197 in words is "three hundred forty-nine million, six hundred sixty thousand, one hundred ninety-seven".