349895459 has 4 divisors (see below), whose sum is σ = 350223840. Its totient is φ = 349567080.

The previous prime is 349895449. The next prime is 349895467. The reversal of 349895459 is 954598943.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 349895459 - 2¹² = 349891363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (349895449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162587 + ... + 164724.

It is an arithmetic number, because the mean of its divisors is an integer number (87555960).

Almost surely, 2^349895459 is an apocalyptic number.

349895459 is a deficient number, since it is larger than the sum of its proper divisors (328381).

349895459 is a wasteful number, since it uses less digits than its factorization.

349895459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328380.

The product of its digits is 6998400, while the sum is 56.

The square root of 349895459 is about 18705.4927494573. The cubic root of 349895459 is about 704.6597012998.

The spelling of 349895459 in words is "three hundred forty-nine million, eight hundred ninety-five thousand, four hundred fifty-nine".