347861939 has 8 divisors (see below), whose sum is σ = 368824608. Its totient is φ = 326954880.

The previous prime is 347861903. The next prime is 347861957. The reversal of 347861939 is 939168743.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 347861939 - 2¹² = 347857843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (347561939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 647 + ... + 26384.

It is an arithmetic number, because the mean of its divisors is an integer number (46103076).

Almost surely, 2^347861939 is an apocalyptic number.

347861939 is a deficient number, since it is larger than the sum of its proper divisors (20962669).

347861939 is a wasteful number, since it uses less digits than its factorization.

347861939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27805.

The product of its digits is 979776, while the sum is 50.

The square root of 347861939 is about 18651.0573158735. The cubic root of 347861939 is about 703.2919360245.

The spelling of 347861939 in words is "three hundred forty-seven million, eight hundred sixty-one thousand, nine hundred thirty-nine".