349866297 has 72 divisors (see below), whose sum is σ = 587528032. Its totient is φ = 207852480.

The previous prime is 349866289. The next prime is 349866301. The reversal of 349866297 is 792668943.

It is a happy number.

349866297 is a `hidden beast` number, since 3 + 4 + 9 + 8 + 6 + 629 + 7 = 666.

It is not a de Polignac number, because 349866297 - 2³ = 349866289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (349866227) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2146338 + ... + 2146500.

Almost surely, 2^349866297 is an apocalyptic number.

It is an amenable number.

349866297 is a deficient number, since it is larger than the sum of its proper divisors (237661735).

349866297 is a wasteful number, since it uses less digits than its factorization.

349866297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273 (or 250 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 54.

The square root of 349866297 is about 18704.7132295579. The cubic root of 349866297 is about 704.6401241598.

The spelling of 349866297 in words is "three hundred forty-nine million, eight hundred sixty-six thousand, two hundred ninety-seven".