347223678 has 16 divisors (see below), whose sum is σ = 694701840. Its totient is φ = 115698816.

The previous prime is 347223677. The next prime is 347223683. The reversal of 347223678 is 876322743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (347223677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10308 + ... + 28296.

It is an arithmetic number, because the mean of its divisors is an integer number (43418865).

Almost surely, 2^347223678 is an apocalyptic number.

347223678 is an abundant number, since it is smaller than the sum of its proper divisors (347478162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

347223678 is a wasteful number, since it uses less digits than its factorization.

347223678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21211.

The product of its digits is 338688, while the sum is 42.

The square root of 347223678 is about 18633.9388750742. The cubic root of 347223678 is about 702.8615366972.

The spelling of 347223678 in words is "three hundred forty-seven million, two hundred twenty-three thousand, six hundred seventy-eight".