347897422 has 4 divisors (see below), whose sum is σ = 521846136. Its totient is φ = 173948710.

The previous prime is 347897357. The next prime is 347897441. The reversal of 347897422 is 224798743.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 224798743 = 13 ⋅17292211.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86974354 + ... + 86974357.

It is an arithmetic number, because the mean of its divisors is an integer number (130461534).

Almost surely, 2^347897422 is an apocalyptic number.

347897422 is a deficient number, since it is larger than the sum of its proper divisors (173948714).

347897422 is a wasteful number, since it uses less digits than its factorization.

347897422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173948713.

The product of its digits is 677376, while the sum is 46.

The square root of 347897422 is about 18652.0085245531. The cubic root of 347897422 is about 703.3158478666.

The spelling of 347897422 in words is "three hundred forty-seven million, eight hundred ninety-seven thousand, four hundred twenty-two".