349228147 has 4 divisors (see below), whose sum is σ = 349267456. Its totient is φ = 349188840.

The previous prime is 349228141. The next prime is 349228153. The reversal of 349228147 is 741822943.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 741822943 = 163 ⋅4551061.

It is an interprime number because it is at equal distance from previous prime (349228141) and next prime (349228153).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-349228147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (349228141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 697 + ... + 26437.

It is an arithmetic number, because the mean of its divisors is an integer number (87316864).

Almost surely, 2^349228147 is an apocalyptic number.

349228147 is a deficient number, since it is larger than the sum of its proper divisors (39309).

349228147 is a wasteful number, since it uses less digits than its factorization.

349228147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39308.

The product of its digits is 96768, while the sum is 40.

The square root of 349228147 is about 18687.6469091215. The cubic root of 349228147 is about 704.2114463375.

The spelling of 349228147 in words is "three hundred forty-nine million, two hundred twenty-eight thousand, one hundred forty-seven".