347882638 has 8 divisors (see below), whose sum is σ = 523708632. Its totient is φ = 173313096.

The previous prime is 347882629. The next prime is 347882657. The reversal of 347882638 is 836288743.

347882638 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 347882591 and 347882600.

It is a congruent number.

It is an unprimeable number.

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, 313420 + ... + 314527.

It is an arithmetic number, because the mean of its divisors is an integer number (65463579).

Almost surely, 2^347882638 is an apocalyptic number.

347882638 is a deficient number, since it is larger than the sum of its proper divisors (175825994).

347882638 is a wasteful number, since it uses less digits than its factorization.

347882638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628226.

The product of its digits is 1548288, while the sum is 49.

The square root of 347882638 is about 18651.6122091362. The cubic root of 347882638 is about 703.3058851897.

The spelling of 347882638 in words is "three hundred forty-seven million, eight hundred eighty-two thousand, six hundred thirty-eight".