347480839 has 2 divisors, whose sum is σ = 347480840. Its totient is φ = 347480838.

The previous prime is 347480753. The next prime is 347480843. The reversal of 347480839 is 938084743.

It is a strong prime.

It is an emirp because it is prime and its reverse (938084743) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 347480839 - 2²³ = 339092231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (347480899) 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 as a sum of consecutive naturals, namely, 173740419 + 173740420.

It is an arithmetic number, because the mean of its divisors is an integer number (173740420).

Almost surely, 2^347480839 is an apocalyptic number.

347480839 is a deficient number, since it is larger than the sum of its proper divisors (1).

347480839 is an equidigital number, since it uses as much as digits as its factorization.

347480839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 46.

The square root of 347480839 is about 18640.8379371744. The cubic root of 347480839 is about 703.0350117829.

The spelling of 347480839 in words is "three hundred forty-seven million, four hundred eighty thousand, eight hundred thirty-nine".