349284379 has 4 divisors (see below), whose sum is σ = 349329376. Its totient is φ = 349239384.

The previous prime is 349284373. The next prime is 349284389. The reversal of 349284379 is 973482943.

It is a happy number.

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 349284379 - 2⁹ = 349283867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (349284373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7539 + ... + 27484.

It is an arithmetic number, because the mean of its divisors is an integer number (87332344).

Almost surely, 2^349284379 is an apocalyptic number.

349284379 is a deficient number, since it is larger than the sum of its proper divisors (44997).

349284379 is an equidigital number, since it uses as much as digits as its factorization.

349284379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44996.

The product of its digits is 1306368, while the sum is 49.

The square root of 349284379 is about 18689.1513718521. The cubic root of 349284379 is about 704.2492412033.

The spelling of 349284379 in words is "three hundred forty-nine million, two hundred eighty-four thousand, three hundred seventy-nine".