347379909 has 4 divisors (see below), whose sum is σ = 463173216. Its totient is φ = 231586604.

The previous prime is 347379889. The next prime is 347379919. The reversal of 347379909 is 909973743.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 347379909 - 2⁸ = 347379653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (347379919) 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, 57896649 + ... + 57896654.

It is an arithmetic number, because the mean of its divisors is an integer number (115793304).

Almost surely, 2^347379909 is an apocalyptic number.

It is an amenable number.

347379909 is a deficient number, since it is larger than the sum of its proper divisors (115793307).

347379909 is a wasteful number, since it uses less digits than its factorization.

347379909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115793306.

The product of its (nonzero) digits is 1285956, while the sum is 51.

The square root of 347379909 is about 18638.1305124736. The cubic root of 347379909 is about 702.9669368591.

The spelling of 347379909 in words is "three hundred forty-seven million, three hundred seventy-nine thousand, nine hundred nine".