349697227 has 8 divisors (see below), whose sum is σ = 383201280. Its totient is φ = 316478760.

The previous prime is 349697219. The next prime is 349697239. The reversal of 349697227 is 722796943.

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 349697227 - 2³ = 349697219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (349697207) 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, 68827 + ... + 73732.

It is an arithmetic number, because the mean of its divisors is an integer number (47900160).

Almost surely, 2^349697227 is an apocalyptic number.

349697227 is a deficient number, since it is larger than the sum of its proper divisors (33504053).

349697227 is a wasteful number, since it uses less digits than its factorization.

349697227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142793.

The product of its digits is 1143072, while the sum is 49.

The square root of 349697227 is about 18700.1932342957. The cubic root of 349697227 is about 704.5266020305.

The spelling of 349697227 in words is "three hundred forty-nine million, six hundred ninety-seven thousand, two hundred twenty-seven".